Home / 614,949.27-921,556.64-290,390.97

Finding the Fourth Proportional to 614,949.27, 921,556.64 and 290,390.97

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Solution

The fourth proportional to 614,949.27, 921,556.64 and 290,390.97 is: 435,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,949.27 : 921,556.64 = 290,390.97 : x
  2. Step 2: Convert to fraction form
    614,949.27/921,556.64 = 290,390.97/x
  3. Step 3: Cross multiply
    614,949.27x = 921,556.64 × 290,390.97
  4. Step 4: Simplify right side
    614,949.27x = 267,611,730,781.36
  5. Step 5: Solve for x
    x = 267,611,730,781.36/614,949.27
  6. Step 6: Final answer
    x = 435,176.93

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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.