Home / 885,246.81-1,221,640.66-503,273.60

Finding the Fourth Proportional to 885,246.81, 1,221,640.66 and 503,273.60

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Solution

The fourth proportional to 885,246.81, 1,221,640.66 and 503,273.60 is: 694,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,246.81 : 1,221,640.66 = 503,273.60 : x
  2. Step 2: Convert to fraction form
    885,246.81/1,221,640.66 = 503,273.60/x
  3. Step 3: Cross multiply
    885,246.81x = 1,221,640.66 × 503,273.60
  4. Step 4: Simplify right side
    885,246.81x = 614,819,492,864.58
  5. Step 5: Solve for x
    x = 614,819,492,864.58/885,246.81
  6. Step 6: Final answer
    x = 694,517.60

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Double scale
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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.