Home / 445,174.18-614,433.20-409,307.38

Finding the Fourth Proportional to 445,174.18, 614,433.20 and 409,307.38

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Solution

The fourth proportional to 445,174.18, 614,433.20 and 409,307.38 is: 564,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,174.18 : 614,433.20 = 409,307.38 : x
  2. Step 2: Convert to fraction form
    445,174.18/614,433.20 = 409,307.38/x
  3. Step 3: Cross multiply
    445,174.18x = 614,433.20 × 409,307.38
  4. Step 4: Simplify right side
    445,174.18x = 251,492,039,694.40
  5. Step 5: Solve for x
    x = 251,492,039,694.40/445,174.18
  6. Step 6: Final answer
    x = 564,929.53

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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.