Home / 742,015.36-1,023,496.96-469,799.52

Finding the Fourth Proportional to 742,015.36, 1,023,496.96 and 469,799.52

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Solution

The fourth proportional to 742,015.36, 1,023,496.96 and 469,799.52 is: 648,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,015.36 : 1,023,496.96 = 469,799.52 : x
  2. Step 2: Convert to fraction form
    742,015.36/1,023,496.96 = 469,799.52/x
  3. Step 3: Cross multiply
    742,015.36x = 1,023,496.96 × 469,799.52
  4. Step 4: Simplify right side
    742,015.36x = 480,838,380,529.46
  5. Step 5: Solve for x
    x = 480,838,380,529.46/742,015.36
  6. Step 6: Final answer
    x = 648,016.75

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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.