Home / 874,861.50-1,312,293.06-243,792.12

Finding the Fourth Proportional to 874,861.50, 1,312,293.06 and 243,792.12

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Solution

The fourth proportional to 874,861.50, 1,312,293.06 and 243,792.12 is: 365,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,861.50 : 1,312,293.06 = 243,792.12 : x
  2. Step 2: Convert to fraction form
    874,861.50/1,312,293.06 = 243,792.12/x
  3. Step 3: Cross multiply
    874,861.50x = 1,312,293.06 × 243,792.12
  4. Step 4: Simplify right side
    874,861.50x = 319,926,707,158.69
  5. Step 5: Solve for x
    x = 319,926,707,158.69/874,861.50
  6. Step 6: Final answer
    x = 365,688.41

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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.