Home / 674,531.88-930,907.07-384,155.73

Finding the Fourth Proportional to 674,531.88, 930,907.07 and 384,155.73

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Solution

The fourth proportional to 674,531.88, 930,907.07 and 384,155.73 is: 530,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,531.88 : 930,907.07 = 384,155.73 : x
  2. Step 2: Convert to fraction form
    674,531.88/930,907.07 = 384,155.73/x
  3. Step 3: Cross multiply
    674,531.88x = 930,907.07 × 384,155.73
  4. Step 4: Simplify right side
    674,531.88x = 357,613,283,117.23
  5. Step 5: Solve for x
    x = 357,613,283,117.23/674,531.88
  6. Step 6: Final answer
    x = 530,165.13

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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.