Home / 754,378.74-1,041,042.96-414,846.90

Finding the Fourth Proportional to 754,378.74, 1,041,042.96 and 414,846.90

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Solution

The fourth proportional to 754,378.74, 1,041,042.96 and 414,846.90 is: 572,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,378.74 : 1,041,042.96 = 414,846.90 : x
  2. Step 2: Convert to fraction form
    754,378.74/1,041,042.96 = 414,846.90/x
  3. Step 3: Cross multiply
    754,378.74x = 1,041,042.96 × 414,846.90
  4. Step 4: Simplify right side
    754,378.74x = 431,873,444,722.82
  5. Step 5: Solve for x
    x = 431,873,444,722.82/754,378.74
  6. Step 6: Final answer
    x = 572,488.89

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1.5x scale

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.