Home / 784,246.12-1,081,395.15-542,108.32

Finding the Fourth Proportional to 784,246.12, 1,081,395.15 and 542,108.32

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Solution

The fourth proportional to 784,246.12, 1,081,395.15 and 542,108.32 is: 747,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,246.12 : 1,081,395.15 = 542,108.32 : x
  2. Step 2: Convert to fraction form
    784,246.12/1,081,395.15 = 542,108.32/x
  3. Step 3: Cross multiply
    784,246.12x = 1,081,395.15 × 542,108.32
  4. Step 4: Simplify right side
    784,246.12x = 586,233,308,022.65
  5. Step 5: Solve for x
    x = 586,233,308,022.65/784,246.12
  6. Step 6: Final answer
    x = 747,511.90

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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.