Home / 1,319,680.53-1,980,920.57-1,168,856.71

Finding the Fourth Proportional to 1,319,680.53, 1,980,920.57 and 1,168,856.71

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Solution

The fourth proportional to 1,319,680.53, 1,980,920.57 and 1,168,856.71 is: 1,754,524.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,680.53 : 1,980,920.57 = 1,168,856.71 : x
  2. Step 2: Convert to fraction form
    1,319,680.53/1,980,920.57 = 1,168,856.71/x
  3. Step 3: Cross multiply
    1,319,680.53x = 1,980,920.57 × 1,168,856.71
  4. Step 4: Simplify right side
    1,319,680.53x = 2,315,412,300,221.53
  5. Step 5: Solve for x
    x = 2,315,412,300,221.53/1,319,680.53
  6. Step 6: Final answer
    x = 1,754,524.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.