Home / 881,850.32-1,216,946.76-479,445.20

Finding the Fourth Proportional to 881,850.32, 1,216,946.76 and 479,445.20

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Solution

The fourth proportional to 881,850.32, 1,216,946.76 and 479,445.20 is: 661,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,850.32 : 1,216,946.76 = 479,445.20 : x
  2. Step 2: Convert to fraction form
    881,850.32/1,216,946.76 = 479,445.20/x
  3. Step 3: Cross multiply
    881,850.32x = 1,216,946.76 × 479,445.20
  4. Step 4: Simplify right side
    881,850.32x = 583,459,282,737.55
  5. Step 5: Solve for x
    x = 583,459,282,737.55/881,850.32
  6. Step 6: Final answer
    x = 661,630.74

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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.