Home / 955,947.40-1,434,137.13-316,249.63

Finding the Fourth Proportional to 955,947.40, 1,434,137.13 and 316,249.63

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Solution

The fourth proportional to 955,947.40, 1,434,137.13 and 316,249.63 is: 474,445.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,947.40 : 1,434,137.13 = 316,249.63 : x
  2. Step 2: Convert to fraction form
    955,947.40/1,434,137.13 = 316,249.63/x
  3. Step 3: Cross multiply
    955,947.40x = 1,434,137.13 × 316,249.63
  4. Step 4: Simplify right side
    955,947.40x = 453,545,341,213.44
  5. Step 5: Solve for x
    x = 453,545,341,213.44/955,947.40
  6. Step 6: Final answer
    x = 474,445.92

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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.