Home / 864,188.80-1,192,402.50-496,594.94

Finding the Fourth Proportional to 864,188.80, 1,192,402.50 and 496,594.94

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Solution

The fourth proportional to 864,188.80, 1,192,402.50 and 496,594.94 is: 685,198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,188.80 : 1,192,402.50 = 496,594.94 : x
  2. Step 2: Convert to fraction form
    864,188.80/1,192,402.50 = 496,594.94/x
  3. Step 3: Cross multiply
    864,188.80x = 1,192,402.50 × 496,594.94
  4. Step 4: Simplify right side
    864,188.80x = 592,141,047,943.35
  5. Step 5: Solve for x
    x = 592,141,047,943.35/864,188.80
  6. Step 6: Final answer
    x = 685,198.71

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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.