Home / 724,036.17-999,363.78-451,940.25

Finding the Fourth Proportional to 724,036.17, 999,363.78 and 451,940.25

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Solution

The fourth proportional to 724,036.17, 999,363.78 and 451,940.25 is: 623,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,036.17 : 999,363.78 = 451,940.25 : x
  2. Step 2: Convert to fraction form
    724,036.17/999,363.78 = 451,940.25/x
  3. Step 3: Cross multiply
    724,036.17x = 999,363.78 × 451,940.25
  4. Step 4: Simplify right side
    724,036.17x = 451,652,716,574.15
  5. Step 5: Solve for x
    x = 451,652,716,574.15/724,036.17
  6. Step 6: Final answer
    x = 623,798.55

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Similar ratio
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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.