Home / 868,560.80-1,302,841.20-585,125.60

Finding the Fourth Proportional to 868,560.80, 1,302,841.20 and 585,125.60

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Solution

The fourth proportional to 868,560.80, 1,302,841.20 and 585,125.60 is: 877,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,560.80 : 1,302,841.20 = 585,125.60 : x
  2. Step 2: Convert to fraction form
    868,560.80/1,302,841.20 = 585,125.60/x
  3. Step 3: Cross multiply
    868,560.80x = 1,302,841.20 × 585,125.60
  4. Step 4: Simplify right side
    868,560.80x = 762,325,738,854.72
  5. Step 5: Solve for x
    x = 762,325,738,854.72/868,560.80
  6. Step 6: Final answer
    x = 877,688.40

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Double scale
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Similar ratio
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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.