Home / 933,276.60-1,398,878.10-512,854.20

Finding the Fourth Proportional to 933,276.60, 1,398,878.10 and 512,854.20

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Solution

The fourth proportional to 933,276.60, 1,398,878.10 and 512,854.20 is: 768,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,276.60 : 1,398,878.10 = 512,854.20 : x
  2. Step 2: Convert to fraction form
    933,276.60/1,398,878.10 = 512,854.20/x
  3. Step 3: Cross multiply
    933,276.60x = 1,398,878.10 × 512,854.20
  4. Step 4: Simplify right side
    933,276.60x = 717,420,508,873.02
  5. Step 5: Solve for x
    x = 717,420,508,873.02/933,276.60
  6. Step 6: Final answer
    x = 768,711.56

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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.