Home / 1,190,181.60-1,785,534.84-391,430.88

Finding the Fourth Proportional to 1,190,181.60, 1,785,534.84 and 391,430.88

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Solution

The fourth proportional to 1,190,181.60, 1,785,534.84 and 391,430.88 is: 587,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,181.60 : 1,785,534.84 = 391,430.88 : x
  2. Step 2: Convert to fraction form
    1,190,181.60/1,785,534.84 = 391,430.88/x
  3. Step 3: Cross multiply
    1,190,181.60x = 1,785,534.84 × 391,430.88
  4. Step 4: Simplify right side
    1,190,181.60x = 698,913,473,691.86
  5. Step 5: Solve for x
    x = 698,913,473,691.86/1,190,181.60
  6. Step 6: Final answer
    x = 587,232.63

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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.