Home / 684,891.18-944,935.56-413,042.22

Finding the Fourth Proportional to 684,891.18, 944,935.56 and 413,042.22

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Solution

The fourth proportional to 684,891.18, 944,935.56 and 413,042.22 is: 569,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,891.18 : 944,935.56 = 413,042.22 : x
  2. Step 2: Convert to fraction form
    684,891.18/944,935.56 = 413,042.22/x
  3. Step 3: Cross multiply
    684,891.18x = 944,935.56 × 413,042.22
  4. Step 4: Simplify right side
    684,891.18x = 390,298,281,459.34
  5. Step 5: Solve for x
    x = 390,298,281,459.34/684,891.18
  6. Step 6: Final answer
    x = 569,869.04

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Half scale
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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.