Home / 722,685.61-1,083,944.53-190,248.14

Finding the Fourth Proportional to 722,685.61, 1,083,944.53 and 190,248.14

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Solution

The fourth proportional to 722,685.61, 1,083,944.53 and 190,248.14 is: 285,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,685.61 : 1,083,944.53 = 190,248.14 : x
  2. Step 2: Convert to fraction form
    722,685.61/1,083,944.53 = 190,248.14/x
  3. Step 3: Cross multiply
    722,685.61x = 1,083,944.53 × 190,248.14
  4. Step 4: Simplify right side
    722,685.61x = 206,218,433,643.35
  5. Step 5: Solve for x
    x = 206,218,433,643.35/722,685.61
  6. Step 6: Final answer
    x = 285,350.13

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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.