Home / 1,178,207.64-1,767,179.12-325,400.54

Finding the Fourth Proportional to 1,178,207.64, 1,767,179.12 and 325,400.54

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Solution

The fourth proportional to 1,178,207.64, 1,767,179.12 and 325,400.54 is: 488,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,207.64 : 1,767,179.12 = 325,400.54 : x
  2. Step 2: Convert to fraction form
    1,178,207.64/1,767,179.12 = 325,400.54/x
  3. Step 3: Cross multiply
    1,178,207.64x = 1,767,179.12 × 325,400.54
  4. Step 4: Simplify right side
    1,178,207.64x = 575,041,029,461.83
  5. Step 5: Solve for x
    x = 575,041,029,461.83/1,178,207.64
  6. Step 6: Final answer
    x = 488,064.25

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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.