Home / 386,454.56-533,061.84-279,182.24

Finding the Fourth Proportional to 386,454.56, 533,061.84 and 279,182.24

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Solution

The fourth proportional to 386,454.56, 533,061.84 and 279,182.24 is: 385,094.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,454.56 : 533,061.84 = 279,182.24 : x
  2. Step 2: Convert to fraction form
    386,454.56/533,061.84 = 279,182.24/x
  3. Step 3: Cross multiply
    386,454.56x = 533,061.84 × 279,182.24
  4. Step 4: Simplify right side
    386,454.56x = 148,821,398,549.72
  5. Step 5: Solve for x
    x = 148,821,398,549.72/386,454.56
  6. Step 6: Final answer
    x = 385,094.17

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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.