Home / 910,612.20-1,367,147.10-578,836.20

Finding the Fourth Proportional to 910,612.20, 1,367,147.10 and 578,836.20

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Solution

The fourth proportional to 910,612.20, 1,367,147.10 and 578,836.20 is: 869,035.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,612.20 : 1,367,147.10 = 578,836.20 : x
  2. Step 2: Convert to fraction form
    910,612.20/1,367,147.10 = 578,836.20/x
  3. Step 3: Cross multiply
    910,612.20x = 1,367,147.10 × 578,836.20
  4. Step 4: Simplify right side
    910,612.20x = 791,354,232,205.02
  5. Step 5: Solve for x
    x = 791,354,232,205.02/910,612.20
  6. Step 6: Final answer
    x = 869,035.39

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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.