Home / 520,246.36-780,432.05-183,217.38

Finding the Fourth Proportional to 520,246.36, 780,432.05 and 183,217.38

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Solution

The fourth proportional to 520,246.36, 780,432.05 and 183,217.38 is: 274,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,246.36 : 780,432.05 = 183,217.38 : x
  2. Step 2: Convert to fraction form
    520,246.36/780,432.05 = 183,217.38/x
  3. Step 3: Cross multiply
    520,246.36x = 780,432.05 × 183,217.38
  4. Step 4: Simplify right side
    520,246.36x = 142,988,715,469.03
  5. Step 5: Solve for x
    x = 142,988,715,469.03/520,246.36
  6. Step 6: Final answer
    x = 274,848.08

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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.