Home / 986,020.74-1,360,708.68-533,311.74

Finding the Fourth Proportional to 986,020.74, 1,360,708.68 and 533,311.74

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Solution

The fourth proportional to 986,020.74, 1,360,708.68 and 533,311.74 is: 735,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,020.74 : 1,360,708.68 = 533,311.74 : x
  2. Step 2: Convert to fraction form
    986,020.74/1,360,708.68 = 533,311.74/x
  3. Step 3: Cross multiply
    986,020.74x = 1,360,708.68 × 533,311.74
  4. Step 4: Simplify right side
    986,020.74x = 725,681,913,763.90
  5. Step 5: Solve for x
    x = 725,681,913,763.90/986,020.74
  6. Step 6: Final answer
    x = 735,970.23

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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.