Home / 838,506.17-1,157,113.24-465,967.82

Finding the Fourth Proportional to 838,506.17, 1,157,113.24 and 465,967.82

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Solution

The fourth proportional to 838,506.17, 1,157,113.24 and 465,967.82 is: 643,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,506.17 : 1,157,113.24 = 465,967.82 : x
  2. Step 2: Convert to fraction form
    838,506.17/1,157,113.24 = 465,967.82/x
  3. Step 3: Cross multiply
    838,506.17x = 1,157,113.24 × 465,967.82
  4. Step 4: Simplify right side
    838,506.17x = 539,177,535,663.80
  5. Step 5: Solve for x
    x = 539,177,535,663.80/838,506.17
  6. Step 6: Final answer
    x = 643,021.55

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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.