Home / 787,567.15-1,181,538.96-255,088.81

Finding the Fourth Proportional to 787,567.15, 1,181,538.96 and 255,088.81

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Solution

The fourth proportional to 787,567.15, 1,181,538.96 and 255,088.81 is: 382,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,567.15 : 1,181,538.96 = 255,088.81 : x
  2. Step 2: Convert to fraction form
    787,567.15/1,181,538.96 = 255,088.81/x
  3. Step 3: Cross multiply
    787,567.15x = 1,181,538.96 × 255,088.81
  4. Step 4: Simplify right side
    787,567.15x = 301,397,367,275.04
  5. Step 5: Solve for x
    x = 301,397,367,275.04/787,567.15
  6. Step 6: Final answer
    x = 382,694.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.