Home / 1,187,536.57-1,781,306.67-288,973

Finding the Fourth Proportional to 1,187,536.57, 1,781,306.67 and 288,973

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Solution

The fourth proportional to 1,187,536.57, 1,781,306.67 and 288,973 is: 433,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,536.57 : 1,781,306.67 = 288,973 : x
  2. Step 2: Convert to fraction form
    1,187,536.57/1,781,306.67 = 288,973/x
  3. Step 3: Cross multiply
    1,187,536.57x = 1,781,306.67 × 288,973
  4. Step 4: Simplify right side
    1,187,536.57x = 514,749,532,349.91
  5. Step 5: Solve for x
    x = 514,749,532,349.91/1,187,536.57
  6. Step 6: Final answer
    x = 433,459.94

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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.