Home / 445,945.18-615,401.16-241,990.93

Finding the Fourth Proportional to 445,945.18, 615,401.16 and 241,990.93

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Solution

The fourth proportional to 445,945.18, 615,401.16 and 241,990.93 is: 333,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,945.18 : 615,401.16 = 241,990.93 : x
  2. Step 2: Convert to fraction form
    445,945.18/615,401.16 = 241,990.93/x
  3. Step 3: Cross multiply
    445,945.18x = 615,401.16 × 241,990.93
  4. Step 4: Simplify right side
    445,945.18x = 148,921,499,031.48
  5. Step 5: Solve for x
    x = 148,921,499,031.48/445,945.18
  6. Step 6: Final answer
    x = 333,945.75

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1.5x scale

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.