Home / 623,912.10-935,868.15-545,180.10

Finding the Fourth Proportional to 623,912.10, 935,868.15 and 545,180.10

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Solution

The fourth proportional to 623,912.10, 935,868.15 and 545,180.10 is: 817,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,912.10 : 935,868.15 = 545,180.10 : x
  2. Step 2: Convert to fraction form
    623,912.10/935,868.15 = 545,180.10/x
  3. Step 3: Cross multiply
    623,912.10x = 935,868.15 × 545,180.10
  4. Step 4: Simplify right side
    623,912.10x = 510,216,691,603.82
  5. Step 5: Solve for x
    x = 510,216,691,603.82/623,912.10
  6. Step 6: Final answer
    x = 817,770.15

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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.