Home / 558,682.12-771,060.66-317,024.20

Finding the Fourth Proportional to 558,682.12, 771,060.66 and 317,024.20

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Solution

The fourth proportional to 558,682.12, 771,060.66 and 317,024.20 is: 437,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,682.12 : 771,060.66 = 317,024.20 : x
  2. Step 2: Convert to fraction form
    558,682.12/771,060.66 = 317,024.20/x
  3. Step 3: Cross multiply
    558,682.12x = 771,060.66 × 317,024.20
  4. Step 4: Simplify right side
    558,682.12x = 244,444,888,887.97
  5. Step 5: Solve for x
    x = 244,444,888,887.97/558,682.12
  6. Step 6: Final answer
    x = 437,538.41

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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.