Home / 583,721.12-875,106.20-391,793.45

Finding the Fourth Proportional to 583,721.12, 875,106.20 and 391,793.45

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Solution

The fourth proportional to 583,721.12, 875,106.20 and 391,793.45 is: 587,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,721.12 : 875,106.20 = 391,793.45 : x
  2. Step 2: Convert to fraction form
    583,721.12/875,106.20 = 391,793.45/x
  3. Step 3: Cross multiply
    583,721.12x = 875,106.20 × 391,793.45
  4. Step 4: Simplify right side
    583,721.12x = 342,860,870,879.89
  5. Step 5: Solve for x
    x = 342,860,870,879.89/583,721.12
  6. Step 6: Final answer
    x = 587,371.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.