Home / 677,464.92-934,834.23-391,077.27

Finding the Fourth Proportional to 677,464.92, 934,834.23 and 391,077.27

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Solution

The fourth proportional to 677,464.92, 934,834.23 and 391,077.27 is: 539,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,464.92 : 934,834.23 = 391,077.27 : x
  2. Step 2: Convert to fraction form
    677,464.92/934,834.23 = 391,077.27/x
  3. Step 3: Cross multiply
    677,464.92x = 934,834.23 × 391,077.27
  4. Step 4: Simplify right side
    677,464.92x = 365,592,418,570.95
  5. Step 5: Solve for x
    x = 365,592,418,570.95/677,464.92
  6. Step 6: Final answer
    x = 539,647.75

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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.