Home / 1,313,657.38-1,812,846.18-710,045.38

Finding the Fourth Proportional to 1,313,657.38, 1,812,846.18 and 710,045.38

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Solution

The fourth proportional to 1,313,657.38, 1,812,846.18 and 710,045.38 is: 979,862.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,657.38 : 1,812,846.18 = 710,045.38 : x
  2. Step 2: Convert to fraction form
    1,313,657.38/1,812,846.18 = 710,045.38/x
  3. Step 3: Cross multiply
    1,313,657.38x = 1,812,846.18 × 710,045.38
  4. Step 4: Simplify right side
    1,313,657.38x = 1,287,203,054,759.65
  5. Step 5: Solve for x
    x = 1,287,203,054,759.65/1,313,657.38
  6. Step 6: Final answer
    x = 979,862.08

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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.