Home / 895,444.20-1,235,672.82-487,535.76

Finding the Fourth Proportional to 895,444.20, 1,235,672.82 and 487,535.76

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Solution

The fourth proportional to 895,444.20, 1,235,672.82 and 487,535.76 is: 672,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,444.20 : 1,235,672.82 = 487,535.76 : x
  2. Step 2: Convert to fraction form
    895,444.20/1,235,672.82 = 487,535.76/x
  3. Step 3: Cross multiply
    895,444.20x = 1,235,672.82 × 487,535.76
  4. Step 4: Simplify right side
    895,444.20x = 602,434,687,410.04
  5. Step 5: Solve for x
    x = 602,434,687,410.04/895,444.20
  6. Step 6: Final answer
    x = 672,777.47

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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.