Home / 528,048.23-792,072.35-318,096.23

Finding the Fourth Proportional to 528,048.23, 792,072.35 and 318,096.23

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Solution

The fourth proportional to 528,048.23, 792,072.35 and 318,096.23 is: 477,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,048.23 : 792,072.35 = 318,096.23 : x
  2. Step 2: Convert to fraction form
    528,048.23/792,072.35 = 318,096.23/x
  3. Step 3: Cross multiply
    528,048.23x = 792,072.35 × 318,096.23
  4. Step 4: Simplify right side
    528,048.23x = 251,955,228,422.24
  5. Step 5: Solve for x
    x = 251,955,228,422.24/528,048.23
  6. Step 6: Final answer
    x = 477,144.35

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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.