Home / 948,249.76-1,308,585.90-540,333.76

Finding the Fourth Proportional to 948,249.76, 1,308,585.90 and 540,333.76

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Solution

The fourth proportional to 948,249.76, 1,308,585.90 and 540,333.76 is: 745,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,249.76 : 1,308,585.90 = 540,333.76 : x
  2. Step 2: Convert to fraction form
    948,249.76/1,308,585.90 = 540,333.76/x
  3. Step 3: Cross multiply
    948,249.76x = 1,308,585.90 × 540,333.76
  4. Step 4: Simplify right side
    948,249.76x = 707,073,139,629.98
  5. Step 5: Solve for x
    x = 707,073,139,629.98/948,249.76
  6. Step 6: Final answer
    x = 745,661.29

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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.