Home / 1,246,306.50-1,869,640.65-393,089.76

Finding the Fourth Proportional to 1,246,306.50, 1,869,640.65 and 393,089.76

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Solution

The fourth proportional to 1,246,306.50, 1,869,640.65 and 393,089.76 is: 589,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,306.50 : 1,869,640.65 = 393,089.76 : x
  2. Step 2: Convert to fraction form
    1,246,306.50/1,869,640.65 = 393,089.76/x
  3. Step 3: Cross multiply
    1,246,306.50x = 1,869,640.65 × 393,089.76
  4. Step 4: Simplify right side
    1,246,306.50x = 734,936,594,394.74
  5. Step 5: Solve for x
    x = 734,936,594,394.74/1,246,306.50
  6. Step 6: Final answer
    x = 589,691.70

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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.