Home / 926,240.10-1,389,360.15-626,864.10

Finding the Fourth Proportional to 926,240.10, 1,389,360.15 and 626,864.10

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Solution

The fourth proportional to 926,240.10, 1,389,360.15 and 626,864.10 is: 940,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,240.10 : 1,389,360.15 = 626,864.10 : x
  2. Step 2: Convert to fraction form
    926,240.10/1,389,360.15 = 626,864.10/x
  3. Step 3: Cross multiply
    926,240.10x = 1,389,360.15 × 626,864.10
  4. Step 4: Simplify right side
    926,240.10x = 870,940,000,005.62
  5. Step 5: Solve for x
    x = 870,940,000,005.62/926,240.10
  6. Step 6: Final answer
    x = 940,296.15

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.