Home / 1,078,302.40-1,619,203.20-605,910.40

Finding the Fourth Proportional to 1,078,302.40, 1,619,203.20 and 605,910.40

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Solution

The fourth proportional to 1,078,302.40, 1,619,203.20 and 605,910.40 is: 909,848.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,302.40 : 1,619,203.20 = 605,910.40 : x
  2. Step 2: Convert to fraction form
    1,078,302.40/1,619,203.20 = 605,910.40/x
  3. Step 3: Cross multiply
    1,078,302.40x = 1,619,203.20 × 605,910.40
  4. Step 4: Simplify right side
    1,078,302.40x = 981,092,058,593.28
  5. Step 5: Solve for x
    x = 981,092,058,593.28/1,078,302.40
  6. Step 6: Final answer
    x = 909,848.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.