Home / 985,661.18-1,360,828.20-755,776.83

Finding the Fourth Proportional to 985,661.18, 1,360,828.20 and 755,776.83

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Solution

The fourth proportional to 985,661.18, 1,360,828.20 and 755,776.83 is: 1,043,444.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,661.18 : 1,360,828.20 = 755,776.83 : x
  2. Step 2: Convert to fraction form
    985,661.18/1,360,828.20 = 755,776.83/x
  3. Step 3: Cross multiply
    985,661.18x = 1,360,828.20 × 755,776.83
  4. Step 4: Simplify right side
    985,661.18x = 1,028,482,423,170.61
  5. Step 5: Solve for x
    x = 1,028,482,423,170.61/985,661.18
  6. Step 6: Final answer
    x = 1,043,444.19

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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.