Home / 1,038,232.78-1,557,339.99-328,261.30

Finding the Fourth Proportional to 1,038,232.78, 1,557,339.99 and 328,261.30

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Solution

The fourth proportional to 1,038,232.78, 1,557,339.99 and 328,261.30 is: 492,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,232.78 : 1,557,339.99 = 328,261.30 : x
  2. Step 2: Convert to fraction form
    1,038,232.78/1,557,339.99 = 328,261.30/x
  3. Step 3: Cross multiply
    1,038,232.78x = 1,557,339.99 × 328,261.30
  4. Step 4: Simplify right side
    1,038,232.78x = 511,214,449,659.39
  5. Step 5: Solve for x
    x = 511,214,449,659.39/1,038,232.78
  6. Step 6: Final answer
    x = 492,389.05

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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.