Home / 650,555.19-898,317.26-408,915.59

Finding the Fourth Proportional to 650,555.19, 898,317.26 and 408,915.59

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Solution

The fourth proportional to 650,555.19, 898,317.26 and 408,915.59 is: 564,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,555.19 : 898,317.26 = 408,915.59 : x
  2. Step 2: Convert to fraction form
    650,555.19/898,317.26 = 408,915.59/x
  3. Step 3: Cross multiply
    650,555.19x = 898,317.26 × 408,915.59
  4. Step 4: Simplify right side
    650,555.19x = 367,335,928,910.79
  5. Step 5: Solve for x
    x = 367,335,928,910.79/650,555.19
  6. Step 6: Final answer
    x = 564,649.91

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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.