Home / 1,141,153.56-1,711,728.70-342,433.80

Finding the Fourth Proportional to 1,141,153.56, 1,711,728.70 and 342,433.80

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Solution

The fourth proportional to 1,141,153.56, 1,711,728.70 and 342,433.80 is: 513,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,153.56 : 1,711,728.70 = 342,433.80 : x
  2. Step 2: Convert to fraction form
    1,141,153.56/1,711,728.70 = 342,433.80/x
  3. Step 3: Cross multiply
    1,141,153.56x = 1,711,728.70 × 342,433.80
  4. Step 4: Simplify right side
    1,141,153.56x = 586,153,763,310.06
  5. Step 5: Solve for x
    x = 586,153,763,310.06/1,141,153.56
  6. Step 6: Final answer
    x = 513,650.21

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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.