Home / 1,353,252.75-2,029,091.67-511,870.11

Finding the Fourth Proportional to 1,353,252.75, 2,029,091.67 and 511,870.11

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Solution

The fourth proportional to 1,353,252.75, 2,029,091.67 and 511,870.11 is: 767,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,252.75 : 2,029,091.67 = 511,870.11 : x
  2. Step 2: Convert to fraction form
    1,353,252.75/2,029,091.67 = 511,870.11/x
  3. Step 3: Cross multiply
    1,353,252.75x = 2,029,091.67 × 511,870.11
  4. Step 4: Simplify right side
    1,353,252.75x = 1,038,631,376,322.98
  5. Step 5: Solve for x
    x = 1,038,631,376,322.98/1,353,252.75
  6. Step 6: Final answer
    x = 767,507.31

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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.