Home / 546,531.70-819,797.55-432,370.30

Finding the Fourth Proportional to 546,531.70, 819,797.55 and 432,370.30

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Solution

The fourth proportional to 546,531.70, 819,797.55 and 432,370.30 is: 648,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,531.70 : 819,797.55 = 432,370.30 : x
  2. Step 2: Convert to fraction form
    546,531.70/819,797.55 = 432,370.30/x
  3. Step 3: Cross multiply
    546,531.70x = 819,797.55 × 432,370.30
  4. Step 4: Simplify right side
    546,531.70x = 354,456,112,632.77
  5. Step 5: Solve for x
    x = 354,456,112,632.77/546,531.70
  6. Step 6: Final answer
    x = 648,555.45

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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.