Home / 564,660.39-780,764.07-555,534.12

Finding the Fourth Proportional to 564,660.39, 780,764.07 and 555,534.12

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Solution

The fourth proportional to 564,660.39, 780,764.07 and 555,534.12 is: 768,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,660.39 : 780,764.07 = 555,534.12 : x
  2. Step 2: Convert to fraction form
    564,660.39/780,764.07 = 555,534.12/x
  3. Step 3: Cross multiply
    564,660.39x = 780,764.07 × 555,534.12
  4. Step 4: Simplify right side
    564,660.39x = 433,741,080,555.07
  5. Step 5: Solve for x
    x = 433,741,080,555.07/564,660.39
  6. Step 6: Final answer
    x = 768,145.04

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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.