Home / 528,088.35-792,132.53-318,136.35

Finding the Fourth Proportional to 528,088.35, 792,132.53 and 318,136.35

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Solution

The fourth proportional to 528,088.35, 792,132.53 and 318,136.35 is: 477,204.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,088.35 : 792,132.53 = 318,136.35 : x
  2. Step 2: Convert to fraction form
    528,088.35/792,132.53 = 318,136.35/x
  3. Step 3: Cross multiply
    528,088.35x = 792,132.53 × 318,136.35
  4. Step 4: Simplify right side
    528,088.35x = 252,006,150,219.78
  5. Step 5: Solve for x
    x = 252,006,150,219.78/528,088.35
  6. Step 6: Final answer
    x = 477,204.53

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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.