Home / 1,279,598.19-1,920,578.27-648,954.87

Finding the Fourth Proportional to 1,279,598.19, 1,920,578.27 and 648,954.87

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Solution

The fourth proportional to 1,279,598.19, 1,920,578.27 and 648,954.87 is: 974,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,598.19 : 1,920,578.27 = 648,954.87 : x
  2. Step 2: Convert to fraction form
    1,279,598.19/1,920,578.27 = 648,954.87/x
  3. Step 3: Cross multiply
    1,279,598.19x = 1,920,578.27 × 648,954.87
  4. Step 4: Simplify right side
    1,279,598.19x = 1,246,368,618,287.90
  5. Step 5: Solve for x
    x = 1,246,368,618,287.90/1,279,598.19
  6. Step 6: Final answer
    x = 974,031.25

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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.