Home / 838,066-1,156,508.90-456,084.60

Finding the Fourth Proportional to 838,066, 1,156,508.90 and 456,084.60

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Solution

The fourth proportional to 838,066, 1,156,508.90 and 456,084.60 is: 629,384.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,066 : 1,156,508.90 = 456,084.60 : x
  2. Step 2: Convert to fraction form
    838,066/1,156,508.90 = 456,084.60/x
  3. Step 3: Cross multiply
    838,066x = 1,156,508.90 × 456,084.60
  4. Step 4: Simplify right side
    838,066x = 527,465,899,052.94
  5. Step 5: Solve for x
    x = 527,465,899,052.94/838,066
  6. Step 6: Final answer
    x = 629,384.68

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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.