Home / 1,338,278.50-1,846,826-726,430.93

Finding the Fourth Proportional to 1,338,278.50, 1,846,826 and 726,430.93

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Solution

The fourth proportional to 1,338,278.50, 1,846,826 and 726,430.93 is: 1,002,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,278.50 : 1,846,826 = 726,430.93 : x
  2. Step 2: Convert to fraction form
    1,338,278.50/1,846,826 = 726,430.93/x
  3. Step 3: Cross multiply
    1,338,278.50x = 1,846,826 × 726,430.93
  4. Step 4: Simplify right side
    1,338,278.50x = 1,341,591,528,728.18
  5. Step 5: Solve for x
    x = 1,341,591,528,728.18/1,338,278.50
  6. Step 6: Final answer
    x = 1,002,475.59

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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.