Home / 895,597.52-1,235,906.80-487,704.20

Finding the Fourth Proportional to 895,597.52, 1,235,906.80 and 487,704.20

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Solution

The fourth proportional to 895,597.52, 1,235,906.80 and 487,704.20 is: 673,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,597.52 : 1,235,906.80 = 487,704.20 : x
  2. Step 2: Convert to fraction form
    895,597.52/1,235,906.80 = 487,704.20/x
  3. Step 3: Cross multiply
    895,597.52x = 1,235,906.80 × 487,704.20
  4. Step 4: Simplify right side
    895,597.52x = 602,756,937,168.56
  5. Step 5: Solve for x
    x = 602,756,937,168.56/895,597.52
  6. Step 6: Final answer
    x = 673,022.12

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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.