Home / 803,725.11-1,109,140.22-454,859.19

Finding the Fourth Proportional to 803,725.11, 1,109,140.22 and 454,859.19

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Solution

The fourth proportional to 803,725.11, 1,109,140.22 and 454,859.19 is: 627,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,725.11 : 1,109,140.22 = 454,859.19 : x
  2. Step 2: Convert to fraction form
    803,725.11/1,109,140.22 = 454,859.19/x
  3. Step 3: Cross multiply
    803,725.11x = 1,109,140.22 × 454,859.19
  4. Step 4: Simplify right side
    803,725.11x = 504,502,619,393.22
  5. Step 5: Solve for x
    x = 504,502,619,393.22/803,725.11
  6. Step 6: Final answer
    x = 627,705.43

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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.