Home / 979,057.80-1,467,809.10-535,825.80

Finding the Fourth Proportional to 979,057.80, 1,467,809.10 and 535,825.80

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Solution

The fourth proportional to 979,057.80, 1,467,809.10 and 535,825.80 is: 803,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,057.80 : 1,467,809.10 = 535,825.80 : x
  2. Step 2: Convert to fraction form
    979,057.80/1,467,809.10 = 535,825.80/x
  3. Step 3: Cross multiply
    979,057.80x = 1,467,809.10 × 535,825.80
  4. Step 4: Simplify right side
    979,057.80x = 786,489,985,254.78
  5. Step 5: Solve for x
    x = 786,489,985,254.78/979,057.80
  6. Step 6: Final answer
    x = 803,313.13

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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.