Home / 897,954.49-1,239,203.17-490,082.33

Finding the Fourth Proportional to 897,954.49, 1,239,203.17 and 490,082.33

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Solution

The fourth proportional to 897,954.49, 1,239,203.17 and 490,082.33 is: 676,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,954.49 : 1,239,203.17 = 490,082.33 : x
  2. Step 2: Convert to fraction form
    897,954.49/1,239,203.17 = 490,082.33/x
  3. Step 3: Cross multiply
    897,954.49x = 1,239,203.17 × 490,082.33
  4. Step 4: Simplify right side
    897,954.49x = 607,311,580,607.60
  5. Step 5: Solve for x
    x = 607,311,580,607.60/897,954.49
  6. Step 6: Final answer
    x = 676,327.79

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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.