Home / 539,109.20-808,663.80-223,533.20

Finding the Fourth Proportional to 539,109.20, 808,663.80 and 223,533.20

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Solution

The fourth proportional to 539,109.20, 808,663.80 and 223,533.20 is: 335,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,109.20 : 808,663.80 = 223,533.20 : x
  2. Step 2: Convert to fraction form
    539,109.20/808,663.80 = 223,533.20/x
  3. Step 3: Cross multiply
    539,109.20x = 808,663.80 × 223,533.20
  4. Step 4: Simplify right side
    539,109.20x = 180,763,206,938.16
  5. Step 5: Solve for x
    x = 180,763,206,938.16/539,109.20
  6. Step 6: Final answer
    x = 335,299.80

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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.