Home / 788,289.44-1,087,839.38-425,713.32

Finding the Fourth Proportional to 788,289.44, 1,087,839.38 and 425,713.32

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Solution

The fourth proportional to 788,289.44, 1,087,839.38 and 425,713.32 is: 587,484.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,289.44 : 1,087,839.38 = 425,713.32 : x
  2. Step 2: Convert to fraction form
    788,289.44/1,087,839.38 = 425,713.32/x
  3. Step 3: Cross multiply
    788,289.44x = 1,087,839.38 × 425,713.32
  4. Step 4: Simplify right side
    788,289.44x = 463,107,715,150.83
  5. Step 5: Solve for x
    x = 463,107,715,150.83/788,289.44
  6. Step 6: Final answer
    x = 587,484.36

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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.