Home / 747,675.06-1,031,778.30-425,378.22

Finding the Fourth Proportional to 747,675.06, 1,031,778.30 and 425,378.22

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Solution

The fourth proportional to 747,675.06, 1,031,778.30 and 425,378.22 is: 587,014.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,675.06 : 1,031,778.30 = 425,378.22 : x
  2. Step 2: Convert to fraction form
    747,675.06/1,031,778.30 = 425,378.22/x
  3. Step 3: Cross multiply
    747,675.06x = 1,031,778.30 × 425,378.22
  4. Step 4: Simplify right side
    747,675.06x = 438,896,016,688.63
  5. Step 5: Solve for x
    x = 438,896,016,688.63/747,675.06
  6. Step 6: Final answer
    x = 587,014.39

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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.