Home / 1,316,352.20-1,974,528.30-1,227,778.70

Finding the Fourth Proportional to 1,316,352.20, 1,974,528.30 and 1,227,778.70

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Solution

The fourth proportional to 1,316,352.20, 1,974,528.30 and 1,227,778.70 is: 1,841,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,352.20 : 1,974,528.30 = 1,227,778.70 : x
  2. Step 2: Convert to fraction form
    1,316,352.20/1,974,528.30 = 1,227,778.70/x
  3. Step 3: Cross multiply
    1,316,352.20x = 1,974,528.30 × 1,227,778.70
  4. Step 4: Simplify right side
    1,316,352.20x = 2,424,283,789,287.21
  5. Step 5: Solve for x
    x = 2,424,283,789,287.21/1,316,352.20
  6. Step 6: Final answer
    x = 1,841,668.05

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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.