Home / 614,323.20-921,484.80-214,922.33

Finding the Fourth Proportional to 614,323.20, 921,484.80 and 214,922.33

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Solution

The fourth proportional to 614,323.20, 921,484.80 and 214,922.33 is: 322,383.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,323.20 : 921,484.80 = 214,922.33 : x
  2. Step 2: Convert to fraction form
    614,323.20/921,484.80 = 214,922.33/x
  3. Step 3: Cross multiply
    614,323.20x = 921,484.80 × 214,922.33
  4. Step 4: Simplify right side
    614,323.20x = 198,047,655,668.16
  5. Step 5: Solve for x
    x = 198,047,655,668.16/614,323.20
  6. Step 6: Final answer
    x = 322,383.49

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Double scale
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Similar ratio
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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.