Home / 766,371.68-1,057,513.51-471,974.82

Finding the Fourth Proportional to 766,371.68, 1,057,513.51 and 471,974.82

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Solution

The fourth proportional to 766,371.68, 1,057,513.51 and 471,974.82 is: 651,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,371.68 : 1,057,513.51 = 471,974.82 : x
  2. Step 2: Convert to fraction form
    766,371.68/1,057,513.51 = 471,974.82/x
  3. Step 3: Cross multiply
    766,371.68x = 1,057,513.51 × 471,974.82
  4. Step 4: Simplify right side
    766,371.68x = 499,119,748,529.82
  5. Step 5: Solve for x
    x = 499,119,748,529.82/766,371.68
  6. Step 6: Final answer
    x = 651,276.35

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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.