Home / 838,316.82-1,156,877.36-456,346.47

Finding the Fourth Proportional to 838,316.82, 1,156,877.36 and 456,346.47

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Solution

The fourth proportional to 838,316.82, 1,156,877.36 and 456,346.47 is: 629,758.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,316.82 : 1,156,877.36 = 456,346.47 : x
  2. Step 2: Convert to fraction form
    838,316.82/1,156,877.36 = 456,346.47/x
  3. Step 3: Cross multiply
    838,316.82x = 1,156,877.36 × 456,346.47
  4. Step 4: Simplify right side
    838,316.82x = 527,936,897,177.19
  5. Step 5: Solve for x
    x = 527,936,897,177.19/838,316.82
  6. Step 6: Final answer
    x = 629,758.21

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1.5x scale

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.