Home / 863,340.60-1,295,010.90-527,417.40

Finding the Fourth Proportional to 863,340.60, 1,295,010.90 and 527,417.40

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Solution

The fourth proportional to 863,340.60, 1,295,010.90 and 527,417.40 is: 791,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,340.60 : 1,295,010.90 = 527,417.40 : x
  2. Step 2: Convert to fraction form
    863,340.60/1,295,010.90 = 527,417.40/x
  3. Step 3: Cross multiply
    863,340.60x = 1,295,010.90 × 527,417.40
  4. Step 4: Simplify right side
    863,340.60x = 683,011,281,849.66
  5. Step 5: Solve for x
    x = 683,011,281,849.66/863,340.60
  6. Step 6: Final answer
    x = 791,126.10

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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.