Home / 1,001,407.80-1,381,943.34-548,698.68

Finding the Fourth Proportional to 1,001,407.80, 1,381,943.34 and 548,698.68

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Solution

The fourth proportional to 1,001,407.80, 1,381,943.34 and 548,698.68 is: 757,204.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,407.80 : 1,381,943.34 = 548,698.68 : x
  2. Step 2: Convert to fraction form
    1,001,407.80/1,381,943.34 = 548,698.68/x
  3. Step 3: Cross multiply
    1,001,407.80x = 1,381,943.34 × 548,698.68
  4. Step 4: Simplify right side
    1,001,407.80x = 758,270,486,492.79
  5. Step 5: Solve for x
    x = 758,270,486,492.79/1,001,407.80
  6. Step 6: Final answer
    x = 757,204.49

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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.