Home / 840,304.35-1,159,633.85-458,331.17

Finding the Fourth Proportional to 840,304.35, 1,159,633.85 and 458,331.17

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Solution

The fourth proportional to 840,304.35, 1,159,633.85 and 458,331.17 is: 632,504.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,304.35 : 1,159,633.85 = 458,331.17 : x
  2. Step 2: Convert to fraction form
    840,304.35/1,159,633.85 = 458,331.17/x
  3. Step 3: Cross multiply
    840,304.35x = 1,159,633.85 × 458,331.17
  4. Step 4: Simplify right side
    840,304.35x = 531,496,331,152.28
  5. Step 5: Solve for x
    x = 531,496,331,152.28/840,304.35
  6. Step 6: Final answer
    x = 632,504.56

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Double scale
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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.