Home / 817,997.38-1,128,544.15-473,645.32

Finding the Fourth Proportional to 817,997.38, 1,128,544.15 and 473,645.32

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Solution

The fourth proportional to 817,997.38, 1,128,544.15 and 473,645.32 is: 653,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,997.38 : 1,128,544.15 = 473,645.32 : x
  2. Step 2: Convert to fraction form
    817,997.38/1,128,544.15 = 473,645.32/x
  3. Step 3: Cross multiply
    817,997.38x = 1,128,544.15 × 473,645.32
  4. Step 4: Simplify right side
    817,997.38x = 534,529,655,060.88
  5. Step 5: Solve for x
    x = 534,529,655,060.88/817,997.38
  6. Step 6: Final answer
    x = 653,461.33

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Double scale
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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.