Home / 572,375.11-789,838.14-317,706.25

Finding the Fourth Proportional to 572,375.11, 789,838.14 and 317,706.25

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Solution

The fourth proportional to 572,375.11, 789,838.14 and 317,706.25 is: 438,412.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,375.11 : 789,838.14 = 317,706.25 : x
  2. Step 2: Convert to fraction form
    572,375.11/789,838.14 = 317,706.25/x
  3. Step 3: Cross multiply
    572,375.11x = 789,838.14 × 317,706.25
  4. Step 4: Simplify right side
    572,375.11x = 250,936,513,566.38
  5. Step 5: Solve for x
    x = 250,936,513,566.38/572,375.11
  6. Step 6: Final answer
    x = 438,412.69

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Double scale
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1.5x scale

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.