Home / 1,393,854.14-2,088,064.31-784,780.71

Finding the Fourth Proportional to 1,393,854.14, 2,088,064.31 and 784,780.71

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Solution

The fourth proportional to 1,393,854.14, 2,088,064.31 and 784,780.71 is: 1,175,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,854.14 : 2,088,064.31 = 784,780.71 : x
  2. Step 2: Convert to fraction form
    1,393,854.14/2,088,064.31 = 784,780.71/x
  3. Step 3: Cross multiply
    1,393,854.14x = 2,088,064.31 × 784,780.71
  4. Step 4: Simplify right side
    1,393,854.14x = 1,638,672,587,803.56
  5. Step 5: Solve for x
    x = 1,638,672,587,803.56/1,393,854.14
  6. Step 6: Final answer
    x = 1,175,641.37

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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.