Home / 528,088.15-792,132.23-243,778.15

Finding the Fourth Proportional to 528,088.15, 792,132.23 and 243,778.15

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Solution

The fourth proportional to 528,088.15, 792,132.23 and 243,778.15 is: 365,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,088.15 : 792,132.23 = 243,778.15 : x
  2. Step 2: Convert to fraction form
    528,088.15/792,132.23 = 243,778.15/x
  3. Step 3: Cross multiply
    528,088.15x = 792,132.23 × 243,778.15
  4. Step 4: Simplify right side
    528,088.15x = 193,104,529,584.78
  5. Step 5: Solve for x
    x = 193,104,529,584.78/528,088.15
  6. Step 6: Final answer
    x = 365,667.23

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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.