Home / 1,279,534.68-1,765,758.42-706,613.76

Finding the Fourth Proportional to 1,279,534.68, 1,765,758.42 and 706,613.76

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Solution

The fourth proportional to 1,279,534.68, 1,765,758.42 and 706,613.76 is: 975,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,534.68 : 1,765,758.42 = 706,613.76 : x
  2. Step 2: Convert to fraction form
    1,279,534.68/1,765,758.42 = 706,613.76/x
  3. Step 3: Cross multiply
    1,279,534.68x = 1,765,758.42 × 706,613.76
  4. Step 4: Simplify right side
    1,279,534.68x = 1,247,709,196,407.86
  5. Step 5: Solve for x
    x = 1,247,709,196,407.86/1,279,534.68
  6. Step 6: Final answer
    x = 975,127.30

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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.