Home / 839,311.10-1,158,213.10-476,733.83

Finding the Fourth Proportional to 839,311.10, 1,158,213.10 and 476,733.83

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Solution

The fourth proportional to 839,311.10, 1,158,213.10 and 476,733.83 is: 657,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,311.10 : 1,158,213.10 = 476,733.83 : x
  2. Step 2: Convert to fraction form
    839,311.10/1,158,213.10 = 476,733.83/x
  3. Step 3: Cross multiply
    839,311.10x = 1,158,213.10 × 476,733.83
  4. Step 4: Simplify right side
    839,311.10x = 552,159,367,119.17
  5. Step 5: Solve for x
    x = 552,159,367,119.17/839,311.10
  6. Step 6: Final answer
    x = 657,872.11

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Double scale
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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.