Home / 713,116.98-1,068,955.38-447,064.38

Finding the Fourth Proportional to 713,116.98, 1,068,955.38 and 447,064.38

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Solution

The fourth proportional to 713,116.98, 1,068,955.38 and 447,064.38 is: 670,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,116.98 : 1,068,955.38 = 447,064.38 : x
  2. Step 2: Convert to fraction form
    713,116.98/1,068,955.38 = 447,064.38/x
  3. Step 3: Cross multiply
    713,116.98x = 1,068,955.38 × 447,064.38
  4. Step 4: Simplify right side
    713,116.98x = 477,891,874,207.36
  5. Step 5: Solve for x
    x = 477,891,874,207.36/713,116.98
  6. Step 6: Final answer
    x = 670,145.13

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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.