Home / 404,389.45-558,052.14-223,109.02

Finding the Fourth Proportional to 404,389.45, 558,052.14 and 223,109.02

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Solution

The fourth proportional to 404,389.45, 558,052.14 and 223,109.02 is: 307,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,389.45 : 558,052.14 = 223,109.02 : x
  2. Step 2: Convert to fraction form
    404,389.45/558,052.14 = 223,109.02/x
  3. Step 3: Cross multiply
    404,389.45x = 558,052.14 × 223,109.02
  4. Step 4: Simplify right side
    404,389.45x = 124,506,466,064.30
  5. Step 5: Solve for x
    x = 124,506,466,064.30/404,389.45
  6. Step 6: Final answer
    x = 307,887.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.