Home / 754,804.88-1,041,615.96-415,278.80

Finding the Fourth Proportional to 754,804.88, 1,041,615.96 and 415,278.80

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Solution

The fourth proportional to 754,804.88, 1,041,615.96 and 415,278.80 is: 573,076.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,804.88 : 1,041,615.96 = 415,278.80 : x
  2. Step 2: Convert to fraction form
    754,804.88/1,041,615.96 = 415,278.80/x
  3. Step 3: Cross multiply
    754,804.88x = 1,041,615.96 × 415,278.80
  4. Step 4: Simplify right side
    754,804.88x = 432,561,025,929.65
  5. Step 5: Solve for x
    x = 432,561,025,929.65/754,804.88
  6. Step 6: Final answer
    x = 573,076.62

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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.