Home / 539,068.20-808,796.70-223,621.80

Finding the Fourth Proportional to 539,068.20, 808,796.70 and 223,621.80

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Solution

The fourth proportional to 539,068.20, 808,796.70 and 223,621.80 is: 335,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,068.20 : 808,796.70 = 223,621.80 : x
  2. Step 2: Convert to fraction form
    539,068.20/808,796.70 = 223,621.80/x
  3. Step 3: Cross multiply
    539,068.20x = 808,796.70 × 223,621.80
  4. Step 4: Simplify right side
    539,068.20x = 180,864,573,888.06
  5. Step 5: Solve for x
    x = 180,864,573,888.06/539,068.20
  6. Step 6: Final answer
    x = 335,513.34

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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.