Home / 713,117.98-1,068,956.88-447,065.38

Finding the Fourth Proportional to 713,117.98, 1,068,956.88 and 447,065.38

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Solution

The fourth proportional to 713,117.98, 1,068,956.88 and 447,065.38 is: 670,146.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,117.98 : 1,068,956.88 = 447,065.38 : x
  2. Step 2: Convert to fraction form
    713,117.98/1,068,956.88 = 447,065.38/x
  3. Step 3: Cross multiply
    713,117.98x = 1,068,956.88 × 447,065.38
  4. Step 4: Simplify right side
    713,117.98x = 477,893,613,760.81
  5. Step 5: Solve for x
    x = 477,893,613,760.81/713,117.98
  6. Step 6: Final answer
    x = 670,146.63

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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.