Home / 1,279,031.64-1,765,017.40-706,059.51

Finding the Fourth Proportional to 1,279,031.64, 1,765,017.40 and 706,059.51

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Solution

The fourth proportional to 1,279,031.64, 1,765,017.40 and 706,059.51 is: 974,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,031.64 : 1,765,017.40 = 706,059.51 : x
  2. Step 2: Convert to fraction form
    1,279,031.64/1,765,017.40 = 706,059.51/x
  3. Step 3: Cross multiply
    1,279,031.64x = 1,765,017.40 × 706,059.51
  4. Step 4: Simplify right side
    1,279,031.64x = 1,246,207,320,585.47
  5. Step 5: Solve for x
    x = 1,246,207,320,585.47/1,279,031.64
  6. Step 6: Final answer
    x = 974,336.59

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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.