Home / 404,400.16-558,068.61-223,113.70

Finding the Fourth Proportional to 404,400.16, 558,068.61 and 223,113.70

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Solution

The fourth proportional to 404,400.16, 558,068.61 and 223,113.70 is: 307,894.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,400.16 : 558,068.61 = 223,113.70 : x
  2. Step 2: Convert to fraction form
    404,400.16/558,068.61 = 223,113.70/x
  3. Step 3: Cross multiply
    404,400.16x = 558,068.61 × 223,113.70
  4. Step 4: Simplify right side
    404,400.16x = 124,512,752,430.96
  5. Step 5: Solve for x
    x = 124,512,752,430.96/404,400.16
  6. Step 6: Final answer
    x = 307,894.91

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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.