Home / 724,880.61-1,087,043.90-238,449.59

Finding the Fourth Proportional to 724,880.61, 1,087,043.90 and 238,449.59

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Solution

The fourth proportional to 724,880.61, 1,087,043.90 and 238,449.59 is: 357,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,880.61 : 1,087,043.90 = 238,449.59 : x
  2. Step 2: Convert to fraction form
    724,880.61/1,087,043.90 = 238,449.59/x
  3. Step 3: Cross multiply
    724,880.61x = 1,087,043.90 × 238,449.59
  4. Step 4: Simplify right side
    724,880.61x = 259,205,172,267.00
  5. Step 5: Solve for x
    x = 259,205,172,267.00/724,880.61
  6. Step 6: Final answer
    x = 357,583.26

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.