Home / 862,877.60-1,294,316.40-564,279.20

Finding the Fourth Proportional to 862,877.60, 1,294,316.40 and 564,279.20

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Solution

The fourth proportional to 862,877.60, 1,294,316.40 and 564,279.20 is: 846,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,877.60 : 1,294,316.40 = 564,279.20 : x
  2. Step 2: Convert to fraction form
    862,877.60/1,294,316.40 = 564,279.20/x
  3. Step 3: Cross multiply
    862,877.60x = 1,294,316.40 × 564,279.20
  4. Step 4: Simplify right side
    862,877.60x = 730,355,822,738.88
  5. Step 5: Solve for x
    x = 730,355,822,738.88/862,877.60
  6. Step 6: Final answer
    x = 846,418.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.