Home / 1,172,543.25-1,617,973.50-656,325.91

Finding the Fourth Proportional to 1,172,543.25, 1,617,973.50 and 656,325.91

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Solution

The fourth proportional to 1,172,543.25, 1,617,973.50 and 656,325.91 is: 905,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,543.25 : 1,617,973.50 = 656,325.91 : x
  2. Step 2: Convert to fraction form
    1,172,543.25/1,617,973.50 = 656,325.91/x
  3. Step 3: Cross multiply
    1,172,543.25x = 1,617,973.50 × 656,325.91
  4. Step 4: Simplify right side
    1,172,543.25x = 1,061,917,929,743.39
  5. Step 5: Solve for x
    x = 1,061,917,929,743.39/1,172,543.25
  6. Step 6: Final answer
    x = 905,653.53

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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.