Home / 1,157,815.90-1,736,231.76-474,231.48

Finding the Fourth Proportional to 1,157,815.90, 1,736,231.76 and 474,231.48

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Solution

The fourth proportional to 1,157,815.90, 1,736,231.76 and 474,231.48 is: 711,145.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,815.90 : 1,736,231.76 = 474,231.48 : x
  2. Step 2: Convert to fraction form
    1,157,815.90/1,736,231.76 = 474,231.48/x
  3. Step 3: Cross multiply
    1,157,815.90x = 1,736,231.76 × 474,231.48
  4. Step 4: Simplify right side
    1,157,815.90x = 823,375,757,167.81
  5. Step 5: Solve for x
    x = 823,375,757,167.81/1,157,815.90
  6. Step 6: Final answer
    x = 711,145.66

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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.