Home / 649,343.70-974,015.55-176,087.70

Finding the Fourth Proportional to 649,343.70, 974,015.55 and 176,087.70

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Solution

The fourth proportional to 649,343.70, 974,015.55 and 176,087.70 is: 264,131.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,343.70 : 974,015.55 = 176,087.70 : x
  2. Step 2: Convert to fraction form
    649,343.70/974,015.55 = 176,087.70/x
  3. Step 3: Cross multiply
    649,343.70x = 974,015.55 × 176,087.70
  4. Step 4: Simplify right side
    649,343.70x = 171,512,157,963.74
  5. Step 5: Solve for x
    x = 171,512,157,963.74/649,343.70
  6. Step 6: Final answer
    x = 264,131.55

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Half scale
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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.