Home / 743,192.52-1,025,600.04-403,663.20

Finding the Fourth Proportional to 743,192.52, 1,025,600.04 and 403,663.20

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Solution

The fourth proportional to 743,192.52, 1,025,600.04 and 403,663.20 is: 557,052.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,192.52 : 1,025,600.04 = 403,663.20 : x
  2. Step 2: Convert to fraction form
    743,192.52/1,025,600.04 = 403,663.20/x
  3. Step 3: Cross multiply
    743,192.52x = 1,025,600.04 × 403,663.20
  4. Step 4: Simplify right side
    743,192.52x = 413,996,994,066.53
  5. Step 5: Solve for x
    x = 413,996,994,066.53/743,192.52
  6. Step 6: Final answer
    x = 557,052.15

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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.