Home / 1,276,697.52-1,915,483.50-435,839.76

Finding the Fourth Proportional to 1,276,697.52, 1,915,483.50 and 435,839.76

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Solution

The fourth proportional to 1,276,697.52, 1,915,483.50 and 435,839.76 is: 653,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,697.52 : 1,915,483.50 = 435,839.76 : x
  2. Step 2: Convert to fraction form
    1,276,697.52/1,915,483.50 = 435,839.76/x
  3. Step 3: Cross multiply
    1,276,697.52x = 1,915,483.50 × 435,839.76
  4. Step 4: Simplify right side
    1,276,697.52x = 834,843,868,923.96
  5. Step 5: Solve for x
    x = 834,843,868,923.96/1,276,697.52
  6. Step 6: Final answer
    x = 653,908.90

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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.