Home / 961,295.65-1,442,810.17-512,390.41

Finding the Fourth Proportional to 961,295.65, 1,442,810.17 and 512,390.41

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Solution

The fourth proportional to 961,295.65, 1,442,810.17 and 512,390.41 is: 769,047.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,295.65 : 1,442,810.17 = 512,390.41 : x
  2. Step 2: Convert to fraction form
    961,295.65/1,442,810.17 = 512,390.41/x
  3. Step 3: Cross multiply
    961,295.65x = 1,442,810.17 × 512,390.41
  4. Step 4: Simplify right side
    961,295.65x = 739,282,091,591.93
  5. Step 5: Solve for x
    x = 739,282,091,591.93/961,295.65
  6. Step 6: Final answer
    x = 769,047.58

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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.