Home / 724,823.40-1,087,235.10-535,866.60

Finding the Fourth Proportional to 724,823.40, 1,087,235.10 and 535,866.60

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Solution

The fourth proportional to 724,823.40, 1,087,235.10 and 535,866.60 is: 803,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,823.40 : 1,087,235.10 = 535,866.60 : x
  2. Step 2: Convert to fraction form
    724,823.40/1,087,235.10 = 535,866.60/x
  3. Step 3: Cross multiply
    724,823.40x = 1,087,235.10 × 535,866.60
  4. Step 4: Simplify right side
    724,823.40x = 582,612,976,437.66
  5. Step 5: Solve for x
    x = 582,612,976,437.66/724,823.40
  6. Step 6: Final answer
    x = 803,799.90

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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.