Home / 404,547.43-558,274.31-223,258.05

Finding the Fourth Proportional to 404,547.43, 558,274.31 and 223,258.05

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Solution

The fourth proportional to 404,547.43, 558,274.31 and 223,258.05 is: 308,095.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,547.43 : 558,274.31 = 223,258.05 : x
  2. Step 2: Convert to fraction form
    404,547.43/558,274.31 = 223,258.05/x
  3. Step 3: Cross multiply
    404,547.43x = 558,274.31 × 223,258.05
  4. Step 4: Simplify right side
    404,547.43x = 124,639,229,908.03
  5. Step 5: Solve for x
    x = 124,639,229,908.03/404,547.43
  6. Step 6: Final answer
    x = 308,095.47

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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.