Home / 1,377,943.20-2,065,930.65-619,163.55

Finding the Fourth Proportional to 1,377,943.20, 2,065,930.65 and 619,163.55

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Solution

The fourth proportional to 1,377,943.20, 2,065,930.65 and 619,163.55 is: 928,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,943.20 : 2,065,930.65 = 619,163.55 : x
  2. Step 2: Convert to fraction form
    1,377,943.20/2,065,930.65 = 619,163.55/x
  3. Step 3: Cross multiply
    1,377,943.20x = 2,065,930.65 × 619,163.55
  4. Step 4: Simplify right side
    1,377,943.20x = 1,279,148,955,307.81
  5. Step 5: Solve for x
    x = 1,279,148,955,307.81/1,377,943.20
  6. Step 6: Final answer
    x = 928,303.11

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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.