Home / 961,412.40-1,441,681.20-512,017.92

Finding the Fourth Proportional to 961,412.40, 1,441,681.20 and 512,017.92

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Solution

The fourth proportional to 961,412.40, 1,441,681.20 and 512,017.92 is: 767,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,412.40 : 1,441,681.20 = 512,017.92 : x
  2. Step 2: Convert to fraction form
    961,412.40/1,441,681.20 = 512,017.92/x
  3. Step 3: Cross multiply
    961,412.40x = 1,441,681.20 × 512,017.92
  4. Step 4: Simplify right side
    961,412.40x = 738,166,609,327.10
  5. Step 5: Solve for x
    x = 738,166,609,327.10/961,412.40
  6. Step 6: Final answer
    x = 767,793.93

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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.