Home / 1,265,530.38-1,747,247.01-1,129,330.11

Finding the Fourth Proportional to 1,265,530.38, 1,747,247.01 and 1,129,330.11

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Solution

The fourth proportional to 1,265,530.38, 1,747,247.01 and 1,129,330.11 is: 1,559,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,530.38 : 1,747,247.01 = 1,129,330.11 : x
  2. Step 2: Convert to fraction form
    1,265,530.38/1,747,247.01 = 1,129,330.11/x
  3. Step 3: Cross multiply
    1,265,530.38x = 1,747,247.01 × 1,129,330.11
  4. Step 4: Simplify right side
    1,265,530.38x = 1,973,218,658,000.47
  5. Step 5: Solve for x
    x = 1,973,218,658,000.47/1,265,530.38
  6. Step 6: Final answer
    x = 1,559,202.92

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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.