Home / 984,973.80-1,359,475.20-622,166.91

Finding the Fourth Proportional to 984,973.80, 1,359,475.20 and 622,166.91

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Solution

The fourth proportional to 984,973.80, 1,359,475.20 and 622,166.91 is: 858,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,973.80 : 1,359,475.20 = 622,166.91 : x
  2. Step 2: Convert to fraction form
    984,973.80/1,359,475.20 = 622,166.91/x
  3. Step 3: Cross multiply
    984,973.80x = 1,359,475.20 × 622,166.91
  4. Step 4: Simplify right side
    984,973.80x = 845,820,484,405.63
  5. Step 5: Solve for x
    x = 845,820,484,405.63/984,973.80
  6. Step 6: Final answer
    x = 858,723.84

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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.