Home / 614,440.07-921,815.62-171,208.07

Finding the Fourth Proportional to 614,440.07, 921,815.62 and 171,208.07

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Solution

The fourth proportional to 614,440.07, 921,815.62 and 171,208.07 is: 256,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,440.07 : 921,815.62 = 171,208.07 : x
  2. Step 2: Convert to fraction form
    614,440.07/921,815.62 = 171,208.07/x
  3. Step 3: Cross multiply
    614,440.07x = 921,815.62 × 171,208.07
  4. Step 4: Simplify right side
    614,440.07x = 157,822,268,586.98
  5. Step 5: Solve for x
    x = 157,822,268,586.98/614,440.07
  6. Step 6: Final answer
    x = 256,855.43

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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.