Home / 1,141,151.55-1,711,725.71-342,431.79

Finding the Fourth Proportional to 1,141,151.55, 1,711,725.71 and 342,431.79

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Solution

The fourth proportional to 1,141,151.55, 1,711,725.71 and 342,431.79 is: 513,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,151.55 : 1,711,725.71 = 342,431.79 : x
  2. Step 2: Convert to fraction form
    1,141,151.55/1,711,725.71 = 342,431.79/x
  3. Step 3: Cross multiply
    1,141,151.55x = 1,711,725.71 × 342,431.79
  4. Step 4: Simplify right side
    1,141,151.55x = 586,149,297,152.16
  5. Step 5: Solve for x
    x = 586,149,297,152.16/1,141,151.55
  6. Step 6: Final answer
    x = 513,647.20

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Double scale
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Similar ratio
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1.5x scale

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.