Home / 451,560.16-623,151.12-250,356.16

Finding the Fourth Proportional to 451,560.16, 623,151.12 and 250,356.16

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Solution

The fourth proportional to 451,560.16, 623,151.12 and 250,356.16 is: 345,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,560.16 : 623,151.12 = 250,356.16 : x
  2. Step 2: Convert to fraction form
    451,560.16/623,151.12 = 250,356.16/x
  3. Step 3: Cross multiply
    451,560.16x = 623,151.12 × 250,356.16
  4. Step 4: Simplify right side
    451,560.16x = 156,009,721,502.90
  5. Step 5: Solve for x
    x = 156,009,721,502.90/451,560.16
  6. Step 6: Final answer
    x = 345,490.45

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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.