Home / 1,117,069.48-1,675,351.86-318,333.88

Finding the Fourth Proportional to 1,117,069.48, 1,675,351.86 and 318,333.88

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Solution

The fourth proportional to 1,117,069.48, 1,675,351.86 and 318,333.88 is: 477,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,069.48 : 1,675,351.86 = 318,333.88 : x
  2. Step 2: Convert to fraction form
    1,117,069.48/1,675,351.86 = 318,333.88/x
  3. Step 3: Cross multiply
    1,117,069.48x = 1,675,351.86 × 318,333.88
  4. Step 4: Simplify right side
    1,117,069.48x = 533,321,257,959.02
  5. Step 5: Solve for x
    x = 533,321,257,959.02/1,117,069.48
  6. Step 6: Final answer
    x = 477,428.90

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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.