Home / 903,121.83-1,246,347.54-540,476.73

Finding the Fourth Proportional to 903,121.83, 1,246,347.54 and 540,476.73

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Solution

The fourth proportional to 903,121.83, 1,246,347.54 and 540,476.73 is: 745,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,121.83 : 1,246,347.54 = 540,476.73 : x
  2. Step 2: Convert to fraction form
    903,121.83/1,246,347.54 = 540,476.73/x
  3. Step 3: Cross multiply
    903,121.83x = 1,246,347.54 × 540,476.73
  4. Step 4: Simplify right side
    903,121.83x = 673,621,842,862.74
  5. Step 5: Solve for x
    x = 673,621,842,862.74/903,121.83
  6. Step 6: Final answer
    x = 745,881.48

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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.