Home / 1,154,157.86-1,592,931.60-781,451.75

Finding the Fourth Proportional to 1,154,157.86, 1,592,931.60 and 781,451.75

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Solution

The fourth proportional to 1,154,157.86, 1,592,931.60 and 781,451.75 is: 1,078,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,157.86 : 1,592,931.60 = 781,451.75 : x
  2. Step 2: Convert to fraction form
    1,154,157.86/1,592,931.60 = 781,451.75/x
  3. Step 3: Cross multiply
    1,154,157.86x = 1,592,931.60 × 781,451.75
  4. Step 4: Simplify right side
    1,154,157.86x = 1,244,799,188,234.80
  5. Step 5: Solve for x
    x = 1,244,799,188,234.80/1,154,157.86
  6. Step 6: Final answer
    x = 1,078,534.60

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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.