Home / 840,504.92-1,159,873.82-458,531.60

Finding the Fourth Proportional to 840,504.92, 1,159,873.82 and 458,531.60

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Solution

The fourth proportional to 840,504.92, 1,159,873.82 and 458,531.60 is: 632,761.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,504.92 : 1,159,873.82 = 458,531.60 : x
  2. Step 2: Convert to fraction form
    840,504.92/1,159,873.82 = 458,531.60/x
  3. Step 3: Cross multiply
    840,504.92x = 1,159,873.82 × 458,531.60
  4. Step 4: Simplify right side
    840,504.92x = 531,838,798,482.71
  5. Step 5: Solve for x
    x = 531,838,798,482.71/840,504.92
  6. Step 6: Final answer
    x = 632,761.08

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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.