Home / 716,440.17-988,930.20-444,667.14

Finding the Fourth Proportional to 716,440.17, 988,930.20 and 444,667.14

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Solution

The fourth proportional to 716,440.17, 988,930.20 and 444,667.14 is: 613,791.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,440.17 : 988,930.20 = 444,667.14 : x
  2. Step 2: Convert to fraction form
    716,440.17/988,930.20 = 444,667.14/x
  3. Step 3: Cross multiply
    716,440.17x = 988,930.20 × 444,667.14
  4. Step 4: Simplify right side
    716,440.17x = 439,744,763,693.63
  5. Step 5: Solve for x
    x = 439,744,763,693.63/716,440.17
  6. Step 6: Final answer
    x = 613,791.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.