Home / 933,278.60-1,398,881.10-512,856.20

Finding the Fourth Proportional to 933,278.60, 1,398,881.10 and 512,856.20

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Solution

The fourth proportional to 933,278.60, 1,398,881.10 and 512,856.20 is: 768,714.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,278.60 : 1,398,881.10 = 512,856.20 : x
  2. Step 2: Convert to fraction form
    933,278.60/1,398,881.10 = 512,856.20/x
  3. Step 3: Cross multiply
    933,278.60x = 1,398,881.10 × 512,856.20
  4. Step 4: Simplify right side
    933,278.60x = 717,424,845,197.82
  5. Step 5: Solve for x
    x = 717,424,845,197.82/933,278.60
  6. Step 6: Final answer
    x = 768,714.56

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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.