Home / 1,038,105.44-1,557,023.52-328,205.12

Finding the Fourth Proportional to 1,038,105.44, 1,557,023.52 and 328,205.12

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Solution

The fourth proportional to 1,038,105.44, 1,557,023.52 and 328,205.12 is: 492,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,105.44 : 1,557,023.52 = 328,205.12 : x
  2. Step 2: Convert to fraction form
    1,038,105.44/1,557,023.52 = 328,205.12/x
  3. Step 3: Cross multiply
    1,038,105.44x = 1,557,023.52 × 328,205.12
  4. Step 4: Simplify right side
    1,038,105.44x = 511,023,091,224.42
  5. Step 5: Solve for x
    x = 511,023,091,224.42/1,038,105.44
  6. Step 6: Final answer
    x = 492,265.11

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.