Home / 1,038,617.10-1,557,769.73-328,552.88

Finding the Fourth Proportional to 1,038,617.10, 1,557,769.73 and 328,552.88

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Solution

The fourth proportional to 1,038,617.10, 1,557,769.73 and 328,552.88 is: 492,779.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,617.10 : 1,557,769.73 = 328,552.88 : x
  2. Step 2: Convert to fraction form
    1,038,617.10/1,557,769.73 = 328,552.88/x
  3. Step 3: Cross multiply
    1,038,617.10x = 1,557,769.73 × 328,552.88
  4. Step 4: Simplify right side
    1,038,617.10x = 511,809,721,736.71
  5. Step 5: Solve for x
    x = 511,809,721,736.71/1,038,617.10
  6. Step 6: Final answer
    x = 492,779.99

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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.