Home / 680,570.88-1,020,778.56-181,973.76

Finding the Fourth Proportional to 680,570.88, 1,020,778.56 and 181,973.76

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Solution

The fourth proportional to 680,570.88, 1,020,778.56 and 181,973.76 is: 272,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,570.88 : 1,020,778.56 = 181,973.76 : x
  2. Step 2: Convert to fraction form
    680,570.88/1,020,778.56 = 181,973.76/x
  3. Step 3: Cross multiply
    680,570.88x = 1,020,778.56 × 181,973.76
  4. Step 4: Simplify right side
    680,570.88x = 185,754,912,690.59
  5. Step 5: Solve for x
    x = 185,754,912,690.59/680,570.88
  6. Step 6: Final answer
    x = 272,939.85

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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.