Home / 963,441.20-1,329,379.87-549,789.11

Finding the Fourth Proportional to 963,441.20, 1,329,379.87 and 549,789.11

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Solution

The fourth proportional to 963,441.20, 1,329,379.87 and 549,789.11 is: 758,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,441.20 : 1,329,379.87 = 549,789.11 : x
  2. Step 2: Convert to fraction form
    963,441.20/1,329,379.87 = 549,789.11/x
  3. Step 3: Cross multiply
    963,441.20x = 1,329,379.87 × 549,789.11
  4. Step 4: Simplify right side
    963,441.20x = 730,878,577,528.19
  5. Step 5: Solve for x
    x = 730,878,577,528.19/963,441.20
  6. Step 6: Final answer
    x = 758,612.55

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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.