Home / 838,591.01-1,157,250.66-456,616.88

Finding the Fourth Proportional to 838,591.01, 1,157,250.66 and 456,616.88

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Solution

The fourth proportional to 838,591.01, 1,157,250.66 and 456,616.88 is: 630,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,591.01 : 1,157,250.66 = 456,616.88 : x
  2. Step 2: Convert to fraction form
    838,591.01/1,157,250.66 = 456,616.88/x
  3. Step 3: Cross multiply
    838,591.01x = 1,157,250.66 × 456,616.88
  4. Step 4: Simplify right side
    838,591.01x = 528,420,179,960.89
  5. Step 5: Solve for x
    x = 528,420,179,960.89/838,591.01
  6. Step 6: Final answer
    x = 630,128.60

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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.