Home / 528,063.20-792,094.80-318,111.20

Finding the Fourth Proportional to 528,063.20, 792,094.80 and 318,111.20

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Solution

The fourth proportional to 528,063.20, 792,094.80 and 318,111.20 is: 477,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,063.20 : 792,094.80 = 318,111.20 : x
  2. Step 2: Convert to fraction form
    528,063.20/792,094.80 = 318,111.20/x
  3. Step 3: Cross multiply
    528,063.20x = 792,094.80 × 318,111.20
  4. Step 4: Simplify right side
    528,063.20x = 251,974,227,341.76
  5. Step 5: Solve for x
    x = 251,974,227,341.76/528,063.20
  6. Step 6: Final answer
    x = 477,166.80

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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.