Home / 588,008.78-811,353.75-346,339.47

Finding the Fourth Proportional to 588,008.78, 811,353.75 and 346,339.47

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Solution

The fourth proportional to 588,008.78, 811,353.75 and 346,339.47 is: 477,890.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,008.78 : 811,353.75 = 346,339.47 : x
  2. Step 2: Convert to fraction form
    588,008.78/811,353.75 = 346,339.47/x
  3. Step 3: Cross multiply
    588,008.78x = 811,353.75 × 346,339.47
  4. Step 4: Simplify right side
    588,008.78x = 281,003,827,219.38
  5. Step 5: Solve for x
    x = 281,003,827,219.38/588,008.78
  6. Step 6: Final answer
    x = 477,890.53

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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.