Home / 838,551.43-1,157,221.79-456,599.17

Finding the Fourth Proportional to 838,551.43, 1,157,221.79 and 456,599.17

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Solution

The fourth proportional to 838,551.43, 1,157,221.79 and 456,599.17 is: 630,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,551.43 : 1,157,221.79 = 456,599.17 : x
  2. Step 2: Convert to fraction form
    838,551.43/1,157,221.79 = 456,599.17/x
  3. Step 3: Cross multiply
    838,551.43x = 1,157,221.79 × 456,599.17
  4. Step 4: Simplify right side
    838,551.43x = 528,386,508,819.91
  5. Step 5: Solve for x
    x = 528,386,508,819.91/838,551.43
  6. Step 6: Final answer
    x = 630,118.19

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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.