Home / 1,103,654.35-1,523,053.02-668,081.71

Finding the Fourth Proportional to 1,103,654.35, 1,523,053.02 and 668,081.71

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Solution

The fourth proportional to 1,103,654.35, 1,523,053.02 and 668,081.71 is: 921,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,654.35 : 1,523,053.02 = 668,081.71 : x
  2. Step 2: Convert to fraction form
    1,103,654.35/1,523,053.02 = 668,081.71/x
  3. Step 3: Cross multiply
    1,103,654.35x = 1,523,053.02 × 668,081.71
  4. Step 4: Simplify right side
    1,103,654.35x = 1,017,523,866,022.26
  5. Step 5: Solve for x
    x = 1,017,523,866,022.26/1,103,654.35
  6. Step 6: Final answer
    x = 921,958.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.