Home / 1,263,049.76-1,742,988.29-690,077.63

Finding the Fourth Proportional to 1,263,049.76, 1,742,988.29 and 690,077.63

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Solution

The fourth proportional to 1,263,049.76, 1,742,988.29 and 690,077.63 is: 952,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,049.76 : 1,742,988.29 = 690,077.63 : x
  2. Step 2: Convert to fraction form
    1,263,049.76/1,742,988.29 = 690,077.63/x
  3. Step 3: Cross multiply
    1,263,049.76x = 1,742,988.29 × 690,077.63
  4. Step 4: Simplify right side
    1,263,049.76x = 1,202,797,228,280.95
  5. Step 5: Solve for x
    x = 1,202,797,228,280.95/1,263,049.76
  6. Step 6: Final answer
    x = 952,296.00

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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.