Home / 418,442.31-577,477.22-234,698.13

Finding the Fourth Proportional to 418,442.31, 577,477.22 and 234,698.13

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Solution

The fourth proportional to 418,442.31, 577,477.22 and 234,698.13 is: 323,898.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,442.31 : 577,477.22 = 234,698.13 : x
  2. Step 2: Convert to fraction form
    418,442.31/577,477.22 = 234,698.13/x
  3. Step 3: Cross multiply
    418,442.31x = 577,477.22 × 234,698.13
  4. Step 4: Simplify right side
    418,442.31x = 135,532,822,478.11
  5. Step 5: Solve for x
    x = 135,532,822,478.11/418,442.31
  6. Step 6: Final answer
    x = 323,898.47

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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.