Home / 782,411.58-1,172,094.55-576,871.86

Finding the Fourth Proportional to 782,411.58, 1,172,094.55 and 576,871.86

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Solution

The fourth proportional to 782,411.58, 1,172,094.55 and 576,871.86 is: 864,185.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,411.58 : 1,172,094.55 = 576,871.86 : x
  2. Step 2: Convert to fraction form
    782,411.58/1,172,094.55 = 576,871.86/x
  3. Step 3: Cross multiply
    782,411.58x = 1,172,094.55 × 576,871.86
  4. Step 4: Simplify right side
    782,411.58x = 676,148,363,154.36
  5. Step 5: Solve for x
    x = 676,148,363,154.36/782,411.58
  6. Step 6: Final answer
    x = 864,185.02

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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.