Home / 904,936-1,248,921.84-522,965.92

Finding the Fourth Proportional to 904,936, 1,248,921.84 and 522,965.92

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Solution

The fourth proportional to 904,936, 1,248,921.84 and 522,965.92 is: 721,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,936 : 1,248,921.84 = 522,965.92 : x
  2. Step 2: Convert to fraction form
    904,936/1,248,921.84 = 522,965.92/x
  3. Step 3: Cross multiply
    904,936x = 1,248,921.84 × 522,965.92
  4. Step 4: Simplify right side
    904,936x = 653,143,559,063.69
  5. Step 5: Solve for x
    x = 653,143,559,063.69/904,936
  6. Step 6: Final answer
    x = 721,756.63

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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.