Home / 404,971.90-558,867.12-235,206.02

Finding the Fourth Proportional to 404,971.90, 558,867.12 and 235,206.02

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Solution

The fourth proportional to 404,971.90, 558,867.12 and 235,206.02 is: 324,587.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,971.90 : 558,867.12 = 235,206.02 : x
  2. Step 2: Convert to fraction form
    404,971.90/558,867.12 = 235,206.02/x
  3. Step 3: Cross multiply
    404,971.90x = 558,867.12 × 235,206.02
  4. Step 4: Simplify right side
    404,971.90x = 131,448,911,004.06
  5. Step 5: Solve for x
    x = 131,448,911,004.06/404,971.90
  6. Step 6: Final answer
    x = 324,587.73

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1.5x scale

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.