Home / 884,040.10-1,220,122.10-521,553.05

Finding the Fourth Proportional to 884,040.10, 1,220,122.10 and 521,553.05

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Solution

The fourth proportional to 884,040.10, 1,220,122.10 and 521,553.05 is: 719,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,040.10 : 1,220,122.10 = 521,553.05 : x
  2. Step 2: Convert to fraction form
    884,040.10/1,220,122.10 = 521,553.05/x
  3. Step 3: Cross multiply
    884,040.10x = 1,220,122.10 × 521,553.05
  4. Step 4: Simplify right side
    884,040.10x = 636,358,402,627.41
  5. Step 5: Solve for x
    x = 636,358,402,627.41/884,040.10
  6. Step 6: Final answer
    x = 719,829.79

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Double scale
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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.