Home / 1,712,663.53-2,363,374.05-938,139.53

Finding the Fourth Proportional to 1,712,663.53, 2,363,374.05 and 938,139.53

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Solution

The fourth proportional to 1,712,663.53, 2,363,374.05 and 938,139.53 is: 1,294,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,663.53 : 2,363,374.05 = 938,139.53 : x
  2. Step 2: Convert to fraction form
    1,712,663.53/2,363,374.05 = 938,139.53/x
  3. Step 3: Cross multiply
    1,712,663.53x = 2,363,374.05 × 938,139.53
  4. Step 4: Simplify right side
    1,712,663.53x = 2,217,174,608,664.33
  5. Step 5: Solve for x
    x = 2,217,174,608,664.33/1,712,663.53
  6. Step 6: Final answer
    x = 1,294,576.88

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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.