Home / 587,927.42-811,242.40-346,121.77

Finding the Fourth Proportional to 587,927.42, 811,242.40 and 346,121.77

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Solution

The fourth proportional to 587,927.42, 811,242.40 and 346,121.77 is: 477,590.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,927.42 : 811,242.40 = 346,121.77 : x
  2. Step 2: Convert to fraction form
    587,927.42/811,242.40 = 346,121.77/x
  3. Step 3: Cross multiply
    587,927.42x = 811,242.40 × 346,121.77
  4. Step 4: Simplify right side
    587,927.42x = 280,788,655,387.05
  5. Step 5: Solve for x
    x = 280,788,655,387.05/587,927.42
  6. Step 6: Final answer
    x = 477,590.68

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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.