Home / 1,224,850.02-1,690,320.47-673,530.78

Finding the Fourth Proportional to 1,224,850.02, 1,690,320.47 and 673,530.78

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Solution

The fourth proportional to 1,224,850.02, 1,690,320.47 and 673,530.78 is: 929,487.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,850.02 : 1,690,320.47 = 673,530.78 : x
  2. Step 2: Convert to fraction form
    1,224,850.02/1,690,320.47 = 673,530.78/x
  3. Step 3: Cross multiply
    1,224,850.02x = 1,690,320.47 × 673,530.78
  4. Step 4: Simplify right side
    1,224,850.02x = 1,138,482,864,609.07
  5. Step 5: Solve for x
    x = 1,138,482,864,609.07/1,224,850.02
  6. Step 6: Final answer
    x = 929,487.57

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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.