Home / 997,956.19-1,377,180.11-539,070.76

Finding the Fourth Proportional to 997,956.19, 1,377,180.11 and 539,070.76

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Solution

The fourth proportional to 997,956.19, 1,377,180.11 and 539,070.76 is: 743,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,956.19 : 1,377,180.11 = 539,070.76 : x
  2. Step 2: Convert to fraction form
    997,956.19/1,377,180.11 = 539,070.76/x
  3. Step 3: Cross multiply
    997,956.19x = 1,377,180.11 × 539,070.76
  4. Step 4: Simplify right side
    997,956.19x = 742,397,518,973.33
  5. Step 5: Solve for x
    x = 742,397,518,973.33/997,956.19
  6. Step 6: Final answer
    x = 743,917.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.