Home / 901,981.22-1,244,754.20-514,788.87

Finding the Fourth Proportional to 901,981.22, 1,244,754.20 and 514,788.87

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Solution

The fourth proportional to 901,981.22, 1,244,754.20 and 514,788.87 is: 710,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,981.22 : 1,244,754.20 = 514,788.87 : x
  2. Step 2: Convert to fraction form
    901,981.22/1,244,754.20 = 514,788.87/x
  3. Step 3: Cross multiply
    901,981.22x = 1,244,754.20 × 514,788.87
  4. Step 4: Simplify right side
    901,981.22x = 640,785,605,471.81
  5. Step 5: Solve for x
    x = 640,785,605,471.81/901,981.22
  6. Step 6: Final answer
    x = 710,420.12

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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.