Home / 1,011,612.12-1,396,008.18-552,716.61

Finding the Fourth Proportional to 1,011,612.12, 1,396,008.18 and 552,716.61

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Solution

The fourth proportional to 1,011,612.12, 1,396,008.18 and 552,716.61 is: 762,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,612.12 : 1,396,008.18 = 552,716.61 : x
  2. Step 2: Convert to fraction form
    1,011,612.12/1,396,008.18 = 552,716.61/x
  3. Step 3: Cross multiply
    1,011,612.12x = 1,396,008.18 × 552,716.61
  4. Step 4: Simplify right side
    1,011,612.12x = 771,596,908,781.87
  5. Step 5: Solve for x
    x = 771,596,908,781.87/1,011,612.12
  6. Step 6: Final answer
    x = 762,739.88

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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.