Home / 1,319,856.59-1,821,402.11-716,244.59

Finding the Fourth Proportional to 1,319,856.59, 1,821,402.11 and 716,244.59

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Solution

The fourth proportional to 1,319,856.59, 1,821,402.11 and 716,244.59 is: 988,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,856.59 : 1,821,402.11 = 716,244.59 : x
  2. Step 2: Convert to fraction form
    1,319,856.59/1,821,402.11 = 716,244.59/x
  3. Step 3: Cross multiply
    1,319,856.59x = 1,821,402.11 × 716,244.59
  4. Step 4: Simplify right side
    1,319,856.59x = 1,304,569,413,846.20
  5. Step 5: Solve for x
    x = 1,304,569,413,846.20/1,319,856.59
  6. Step 6: Final answer
    x = 988,417.55

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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.