Home / 579,724.40-868,511.40-329,663.60

Finding the Fourth Proportional to 579,724.40, 868,511.40 and 329,663.60

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Solution

The fourth proportional to 579,724.40, 868,511.40 and 329,663.60 is: 493,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,724.40 : 868,511.40 = 329,663.60 : x
  2. Step 2: Convert to fraction form
    579,724.40/868,511.40 = 329,663.60/x
  3. Step 3: Cross multiply
    579,724.40x = 868,511.40 × 329,663.60
  4. Step 4: Simplify right side
    579,724.40x = 286,316,594,765.04
  5. Step 5: Solve for x
    x = 286,316,594,765.04/579,724.40
  6. Step 6: Final answer
    x = 493,883.98

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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.