Home / 814,935.17-1,124,681.73-475,512.77

Finding the Fourth Proportional to 814,935.17, 1,124,681.73 and 475,512.77

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Solution

The fourth proportional to 814,935.17, 1,124,681.73 and 475,512.77 is: 656,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,935.17 : 1,124,681.73 = 475,512.77 : x
  2. Step 2: Convert to fraction form
    814,935.17/1,124,681.73 = 475,512.77/x
  3. Step 3: Cross multiply
    814,935.17x = 1,124,681.73 × 475,512.77
  4. Step 4: Simplify right side
    814,935.17x = 534,800,524,800.69
  5. Step 5: Solve for x
    x = 534,800,524,800.69/814,935.17
  6. Step 6: Final answer
    x = 656,249.16

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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.