Home / 1,187,613.77-1,781,395.67-289,060.52

Finding the Fourth Proportional to 1,187,613.77, 1,781,395.67 and 289,060.52

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Solution

The fourth proportional to 1,187,613.77, 1,781,395.67 and 289,060.52 is: 433,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,613.77 : 1,781,395.67 = 289,060.52 : x
  2. Step 2: Convert to fraction form
    1,187,613.77/1,781,395.67 = 289,060.52/x
  3. Step 3: Cross multiply
    1,187,613.77x = 1,781,395.67 × 289,060.52
  4. Step 4: Simplify right side
    1,187,613.77x = 514,931,150,511.62
  5. Step 5: Solve for x
    x = 514,931,150,511.62/1,187,613.77
  6. Step 6: Final answer
    x = 433,584.69

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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.