Home / 614,269.82-921,451.38-209,336.18

Finding the Fourth Proportional to 614,269.82, 921,451.38 and 209,336.18

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Solution

The fourth proportional to 614,269.82, 921,451.38 and 209,336.18 is: 314,020.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,269.82 : 921,451.38 = 209,336.18 : x
  2. Step 2: Convert to fraction form
    614,269.82/921,451.38 = 209,336.18/x
  3. Step 3: Cross multiply
    614,269.82x = 921,451.38 × 209,336.18
  4. Step 4: Simplify right side
    614,269.82x = 192,893,111,944.93
  5. Step 5: Solve for x
    x = 192,893,111,944.93/614,269.82
  6. Step 6: Final answer
    x = 314,020.17

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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.