Home / 855,634.22-1,180,789.16-468,443.12

Finding the Fourth Proportional to 855,634.22, 1,180,789.16 and 468,443.12

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Solution

The fourth proportional to 855,634.22, 1,180,789.16 and 468,443.12 is: 646,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,634.22 : 1,180,789.16 = 468,443.12 : x
  2. Step 2: Convert to fraction form
    855,634.22/1,180,789.16 = 468,443.12/x
  3. Step 3: Cross multiply
    855,634.22x = 1,180,789.16 × 468,443.12
  4. Step 4: Simplify right side
    855,634.22x = 553,132,558,172.58
  5. Step 5: Solve for x
    x = 553,132,558,172.58/855,634.22
  6. Step 6: Final answer
    x = 646,459.14

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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.