Home / 776,863.20-1,165,294.80-528,031.20

Finding the Fourth Proportional to 776,863.20, 1,165,294.80 and 528,031.20

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Solution

The fourth proportional to 776,863.20, 1,165,294.80 and 528,031.20 is: 792,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,863.20 : 1,165,294.80 = 528,031.20 : x
  2. Step 2: Convert to fraction form
    776,863.20/1,165,294.80 = 528,031.20/x
  3. Step 3: Cross multiply
    776,863.20x = 1,165,294.80 × 528,031.20
  4. Step 4: Simplify right side
    776,863.20x = 615,312,011,597.76
  5. Step 5: Solve for x
    x = 615,312,011,597.76/776,863.20
  6. Step 6: Final answer
    x = 792,046.80

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Similar ratio
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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.