Home / 469,205.12-647,511.36-254,352.32

Finding the Fourth Proportional to 469,205.12, 647,511.36 and 254,352.32

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Solution

The fourth proportional to 469,205.12, 647,511.36 and 254,352.32 is: 351,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,205.12 : 647,511.36 = 254,352.32 : x
  2. Step 2: Convert to fraction form
    469,205.12/647,511.36 = 254,352.32/x
  3. Step 3: Cross multiply
    469,205.12x = 647,511.36 × 254,352.32
  4. Step 4: Simplify right side
    469,205.12x = 164,696,016,642.36
  5. Step 5: Solve for x
    x = 164,696,016,642.36/469,205.12
  6. Step 6: Final answer
    x = 351,010.70

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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.