Home / 445,041.60-614,147.04-243,833.28

Finding the Fourth Proportional to 445,041.60, 614,147.04 and 243,833.28

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Solution

The fourth proportional to 445,041.60, 614,147.04 and 243,833.28 is: 336,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,041.60 : 614,147.04 = 243,833.28 : x
  2. Step 2: Convert to fraction form
    445,041.60/614,147.04 = 243,833.28/x
  3. Step 3: Cross multiply
    445,041.60x = 614,147.04 × 243,833.28
  4. Step 4: Simplify right side
    445,041.60x = 149,749,487,165.49
  5. Step 5: Solve for x
    x = 149,749,487,165.49/445,041.60
  6. Step 6: Final answer
    x = 336,484.25

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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.