Home / 1,131,070.40-1,697,814.12-457,591.85

Finding the Fourth Proportional to 1,131,070.40, 1,697,814.12 and 457,591.85

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Solution

The fourth proportional to 1,131,070.40, 1,697,814.12 and 457,591.85 is: 686,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,070.40 : 1,697,814.12 = 457,591.85 : x
  2. Step 2: Convert to fraction form
    1,131,070.40/1,697,814.12 = 457,591.85/x
  3. Step 3: Cross multiply
    1,131,070.40x = 1,697,814.12 × 457,591.85
  4. Step 4: Simplify right side
    1,131,070.40x = 776,905,895,637.85
  5. Step 5: Solve for x
    x = 776,905,895,637.85/1,131,070.40
  6. Step 6: Final answer
    x = 686,876.70

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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.