Home / 885,493.35-1,221,868.62-503,528.33

Finding the Fourth Proportional to 885,493.35, 1,221,868.62 and 503,528.33

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Solution

The fourth proportional to 885,493.35, 1,221,868.62 and 503,528.33 is: 694,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,493.35 : 1,221,868.62 = 503,528.33 : x
  2. Step 2: Convert to fraction form
    885,493.35/1,221,868.62 = 503,528.33/x
  3. Step 3: Cross multiply
    885,493.35x = 1,221,868.62 × 503,528.33
  4. Step 4: Simplify right side
    885,493.35x = 615,245,468,762.68
  5. Step 5: Solve for x
    x = 615,245,468,762.68/885,493.35
  6. Step 6: Final answer
    x = 694,805.30

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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.