Home / 942,572.80-1,412,822.40-410,003.20

Finding the Fourth Proportional to 942,572.80, 1,412,822.40 and 410,003.20

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Solution

The fourth proportional to 942,572.80, 1,412,822.40 and 410,003.20 is: 614,553.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,572.80 : 1,412,822.40 = 410,003.20 : x
  2. Step 2: Convert to fraction form
    942,572.80/1,412,822.40 = 410,003.20/x
  3. Step 3: Cross multiply
    942,572.80x = 1,412,822.40 × 410,003.20
  4. Step 4: Simplify right side
    942,572.80x = 579,261,705,031.68
  5. Step 5: Solve for x
    x = 579,261,705,031.68/942,572.80
  6. Step 6: Final answer
    x = 614,553.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.