Home / 528,057.10-792,085.65-318,105.10

Finding the Fourth Proportional to 528,057.10, 792,085.65 and 318,105.10

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Solution

The fourth proportional to 528,057.10, 792,085.65 and 318,105.10 is: 477,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,057.10 : 792,085.65 = 318,105.10 : x
  2. Step 2: Convert to fraction form
    528,057.10/792,085.65 = 318,105.10/x
  3. Step 3: Cross multiply
    528,057.10x = 792,085.65 × 318,105.10
  4. Step 4: Simplify right side
    528,057.10x = 251,966,484,901.82
  5. Step 5: Solve for x
    x = 251,966,484,901.82/528,057.10
  6. Step 6: Final answer
    x = 477,157.65

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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.