Home / 817,003.01-1,127,447.98-454,419.07

Finding the Fourth Proportional to 817,003.01, 1,127,447.98 and 454,419.07

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Solution

The fourth proportional to 817,003.01, 1,127,447.98 and 454,419.07 is: 627,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,003.01 : 1,127,447.98 = 454,419.07 : x
  2. Step 2: Convert to fraction form
    817,003.01/1,127,447.98 = 454,419.07/x
  3. Step 3: Cross multiply
    817,003.01x = 1,127,447.98 × 454,419.07
  4. Step 4: Simplify right side
    817,003.01x = 512,333,862,544.98
  5. Step 5: Solve for x
    x = 512,333,862,544.98/817,003.01
  6. Step 6: Final answer
    x = 627,089.32

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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.