Home / 1,217,701.53-1,679,317.71-1,045,565.49

Finding the Fourth Proportional to 1,217,701.53, 1,679,317.71 and 1,045,565.49

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Solution

The fourth proportional to 1,217,701.53, 1,679,317.71 and 1,045,565.49 is: 1,441,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,701.53 : 1,679,317.71 = 1,045,565.49 : x
  2. Step 2: Convert to fraction form
    1,217,701.53/1,679,317.71 = 1,045,565.49/x
  3. Step 3: Cross multiply
    1,217,701.53x = 1,679,317.71 × 1,045,565.49
  4. Step 4: Simplify right side
    1,217,701.53x = 1,755,836,644,321.83
  5. Step 5: Solve for x
    x = 1,755,836,644,321.83/1,217,701.53
  6. Step 6: Final answer
    x = 1,441,926.94

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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.