Home / 1,225,320.70-1,838,309.10-1,093,116.55

Finding the Fourth Proportional to 1,225,320.70, 1,838,309.10 and 1,093,116.55

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Solution

The fourth proportional to 1,225,320.70, 1,838,309.10 and 1,093,116.55 is: 1,639,967.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,320.70 : 1,838,309.10 = 1,093,116.55 : x
  2. Step 2: Convert to fraction form
    1,225,320.70/1,838,309.10 = 1,093,116.55/x
  3. Step 3: Cross multiply
    1,225,320.70x = 1,838,309.10 × 1,093,116.55
  4. Step 4: Simplify right side
    1,225,320.70x = 2,009,486,101,225.61
  5. Step 5: Solve for x
    x = 2,009,486,101,225.61/1,225,320.70
  6. Step 6: Final answer
    x = 1,639,967.48

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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.