Home / 864,186.77-1,192,399.70-496,592.90

Finding the Fourth Proportional to 864,186.77, 1,192,399.70 and 496,592.90

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Solution

The fourth proportional to 864,186.77, 1,192,399.70 and 496,592.90 is: 685,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,186.77 : 1,192,399.70 = 496,592.90 : x
  2. Step 2: Convert to fraction form
    864,186.77/1,192,399.70 = 496,592.90/x
  3. Step 3: Cross multiply
    864,186.77x = 1,192,399.70 × 496,592.90
  4. Step 4: Simplify right side
    864,186.77x = 592,137,225,758.96
  5. Step 5: Solve for x
    x = 592,137,225,758.96/864,186.77
  6. Step 6: Final answer
    x = 685,195.90

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.