Home / 558,653.20-771,327.12-522,961.36

Finding the Fourth Proportional to 558,653.20, 771,327.12 and 522,961.36

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Solution

The fourth proportional to 558,653.20, 771,327.12 and 522,961.36 is: 722,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,653.20 : 771,327.12 = 522,961.36 : x
  2. Step 2: Convert to fraction form
    558,653.20/771,327.12 = 522,961.36/x
  3. Step 3: Cross multiply
    558,653.20x = 771,327.12 × 522,961.36
  4. Step 4: Simplify right side
    558,653.20x = 403,374,279,680.08
  5. Step 5: Solve for x
    x = 403,374,279,680.08/558,653.20
  6. Step 6: Final answer
    x = 722,047.74

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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.