Home / 575,860.20-863,790.30-256,011.45

Finding the Fourth Proportional to 575,860.20, 863,790.30 and 256,011.45

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Solution

The fourth proportional to 575,860.20, 863,790.30 and 256,011.45 is: 384,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,860.20 : 863,790.30 = 256,011.45 : x
  2. Step 2: Convert to fraction form
    575,860.20/863,790.30 = 256,011.45/x
  3. Step 3: Cross multiply
    575,860.20x = 863,790.30 × 256,011.45
  4. Step 4: Simplify right side
    575,860.20x = 221,140,207,198.94
  5. Step 5: Solve for x
    x = 221,140,207,198.94/575,860.20
  6. Step 6: Final answer
    x = 384,017.18

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Similar ratio
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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.