Home / 961,307.46-1,442,827.89-512,402.22

Finding the Fourth Proportional to 961,307.46, 1,442,827.89 and 512,402.22

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Solution

The fourth proportional to 961,307.46, 1,442,827.89 and 512,402.22 is: 769,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,307.46 : 1,442,827.89 = 512,402.22 : x
  2. Step 2: Convert to fraction form
    961,307.46/1,442,827.89 = 512,402.22/x
  3. Step 3: Cross multiply
    961,307.46x = 1,442,827.89 × 512,402.22
  4. Step 4: Simplify right side
    961,307.46x = 739,308,213,913.92
  5. Step 5: Solve for x
    x = 739,308,213,913.92/961,307.46
  6. Step 6: Final answer
    x = 769,065.30

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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.