Home / 409,549.77-565,207.07-248,411.61

Finding the Fourth Proportional to 409,549.77, 565,207.07 and 248,411.61

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Solution

The fourth proportional to 409,549.77, 565,207.07 and 248,411.61 is: 342,825.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,549.77 : 565,207.07 = 248,411.61 : x
  2. Step 2: Convert to fraction form
    409,549.77/565,207.07 = 248,411.61/x
  3. Step 3: Cross multiply
    409,549.77x = 565,207.07 × 248,411.61
  4. Step 4: Simplify right side
    409,549.77x = 140,403,997,000.03
  5. Step 5: Solve for x
    x = 140,403,997,000.03/409,549.77
  6. Step 6: Final answer
    x = 342,825.24

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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.