Home / 1,190,002.40-1,785,229.86-391,514.12

Finding the Fourth Proportional to 1,190,002.40, 1,785,229.86 and 391,514.12

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Solution

The fourth proportional to 1,190,002.40, 1,785,229.86 and 391,514.12 is: 587,345.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,002.40 : 1,785,229.86 = 391,514.12 : x
  2. Step 2: Convert to fraction form
    1,190,002.40/1,785,229.86 = 391,514.12/x
  3. Step 3: Cross multiply
    1,190,002.40x = 1,785,229.86 × 391,514.12
  4. Step 4: Simplify right side
    1,190,002.40x = 698,942,697,635.62
  5. Step 5: Solve for x
    x = 698,942,697,635.62/1,190,002.40
  6. Step 6: Final answer
    x = 587,345.62

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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.