Home / 655,948.33-904,899.40-383,849.38

Finding the Fourth Proportional to 655,948.33, 904,899.40 and 383,849.38

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Solution

The fourth proportional to 655,948.33, 904,899.40 and 383,849.38 is: 529,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,948.33 : 904,899.40 = 383,849.38 : x
  2. Step 2: Convert to fraction form
    655,948.33/904,899.40 = 383,849.38/x
  3. Step 3: Cross multiply
    655,948.33x = 904,899.40 × 383,849.38
  4. Step 4: Simplify right side
    655,948.33x = 347,345,073,823.87
  5. Step 5: Solve for x
    x = 347,345,073,823.87/655,948.33
  6. Step 6: Final answer
    x = 529,531.15

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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.