Home / 490,740.60-736,111.06-153,807.38

Finding the Fourth Proportional to 490,740.60, 736,111.06 and 153,807.38

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Solution

The fourth proportional to 490,740.60, 736,111.06 and 153,807.38 is: 230,711.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,740.60 : 736,111.06 = 153,807.38 : x
  2. Step 2: Convert to fraction form
    490,740.60/736,111.06 = 153,807.38/x
  3. Step 3: Cross multiply
    490,740.60x = 736,111.06 × 153,807.38
  4. Step 4: Simplify right side
    490,740.60x = 113,219,313,527.62
  5. Step 5: Solve for x
    x = 113,219,313,527.62/490,740.60
  6. Step 6: Final answer
    x = 230,711.12

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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.