Home / 1,461,817.20-2,192,702.40-437,149.92

Finding the Fourth Proportional to 1,461,817.20, 2,192,702.40 and 437,149.92

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Solution

The fourth proportional to 1,461,817.20, 2,192,702.40 and 437,149.92 is: 655,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,817.20 : 2,192,702.40 = 437,149.92 : x
  2. Step 2: Convert to fraction form
    1,461,817.20/2,192,702.40 = 437,149.92/x
  3. Step 3: Cross multiply
    1,461,817.20x = 2,192,702.40 × 437,149.92
  4. Step 4: Simplify right side
    1,461,817.20x = 958,539,678,743.81
  5. Step 5: Solve for x
    x = 958,539,678,743.81/1,461,817.20
  6. Step 6: Final answer
    x = 655,717.88

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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.