Home / 1,747,191.88-2,620,802.40-485,117.92

Finding the Fourth Proportional to 1,747,191.88, 2,620,802.40 and 485,117.92

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Solution

The fourth proportional to 1,747,191.88, 2,620,802.40 and 485,117.92 is: 727,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,191.88 : 2,620,802.40 = 485,117.92 : x
  2. Step 2: Convert to fraction form
    1,747,191.88/2,620,802.40 = 485,117.92/x
  3. Step 3: Cross multiply
    1,747,191.88x = 2,620,802.40 × 485,117.92
  4. Step 4: Simplify right side
    1,747,191.88x = 1,271,398,209,019.01
  5. Step 5: Solve for x
    x = 1,271,398,209,019.01/1,747,191.88
  6. Step 6: Final answer
    x = 727,680.93

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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.