Home / 838,624.55-1,157,267.13-456,650.42

Finding the Fourth Proportional to 838,624.55, 1,157,267.13 and 456,650.42

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Solution

The fourth proportional to 838,624.55, 1,157,267.13 and 456,650.42 is: 630,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,624.55 : 1,157,267.13 = 456,650.42 : x
  2. Step 2: Convert to fraction form
    838,624.55/1,157,267.13 = 456,650.42/x
  3. Step 3: Cross multiply
    838,624.55x = 1,157,267.13 × 456,650.42
  4. Step 4: Simplify right side
    838,624.55x = 528,466,520,966.70
  5. Step 5: Solve for x
    x = 528,466,520,966.70/838,624.55
  6. Step 6: Final answer
    x = 630,158.66

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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.