Home / 848,018.34-1,272,021.03-216,931.14

Finding the Fourth Proportional to 848,018.34, 1,272,021.03 and 216,931.14

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Solution

The fourth proportional to 848,018.34, 1,272,021.03 and 216,931.14 is: 325,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,018.34 : 1,272,021.03 = 216,931.14 : x
  2. Step 2: Convert to fraction form
    848,018.34/1,272,021.03 = 216,931.14/x
  3. Step 3: Cross multiply
    848,018.34x = 1,272,021.03 × 216,931.14
  4. Step 4: Simplify right side
    848,018.34x = 275,940,972,141.87
  5. Step 5: Solve for x
    x = 275,940,972,141.87/848,018.34
  6. Step 6: Final answer
    x = 325,395.05

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Double scale
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Similar ratio
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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.