Home / 712,543.92-1,068,867.72-239,225.28

Finding the Fourth Proportional to 712,543.92, 1,068,867.72 and 239,225.28

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Solution

The fourth proportional to 712,543.92, 1,068,867.72 and 239,225.28 is: 358,855.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,543.92 : 1,068,867.72 = 239,225.28 : x
  2. Step 2: Convert to fraction form
    712,543.92/1,068,867.72 = 239,225.28/x
  3. Step 3: Cross multiply
    712,543.92x = 1,068,867.72 × 239,225.28
  4. Step 4: Simplify right side
    712,543.92x = 255,700,179,599.96
  5. Step 5: Solve for x
    x = 255,700,179,599.96/712,543.92
  6. Step 6: Final answer
    x = 358,855.32

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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.