Home / 1,437,949.19-1,984,545.63-826,100.81

Finding the Fourth Proportional to 1,437,949.19, 1,984,545.63 and 826,100.81

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Solution

The fourth proportional to 1,437,949.19, 1,984,545.63 and 826,100.81 is: 1,140,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,949.19 : 1,984,545.63 = 826,100.81 : x
  2. Step 2: Convert to fraction form
    1,437,949.19/1,984,545.63 = 826,100.81/x
  3. Step 3: Cross multiply
    1,437,949.19x = 1,984,545.63 × 826,100.81
  4. Step 4: Simplify right side
    1,437,949.19x = 1,639,434,749,944.28
  5. Step 5: Solve for x
    x = 1,639,434,749,944.28/1,437,949.19
  6. Step 6: Final answer
    x = 1,140,120.08

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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.