Home / 872,900.65-1,204,422.31-510,254.34

Finding the Fourth Proportional to 872,900.65, 1,204,422.31 and 510,254.34

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Solution

The fourth proportional to 872,900.65, 1,204,422.31 and 510,254.34 is: 704,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,900.65 : 1,204,422.31 = 510,254.34 : x
  2. Step 2: Convert to fraction form
    872,900.65/1,204,422.31 = 510,254.34/x
  3. Step 3: Cross multiply
    872,900.65x = 1,204,422.31 × 510,254.34
  4. Step 4: Simplify right side
    872,900.65x = 614,561,706,991.56
  5. Step 5: Solve for x
    x = 614,561,706,991.56/872,900.65
  6. Step 6: Final answer
    x = 704,045.42

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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.