Home / 816,631.48-1,224,944.48-209,419.14

Finding the Fourth Proportional to 816,631.48, 1,224,944.48 and 209,419.14

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Solution

The fourth proportional to 816,631.48, 1,224,944.48 and 209,419.14 is: 314,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,631.48 : 1,224,944.48 = 209,419.14 : x
  2. Step 2: Convert to fraction form
    816,631.48/1,224,944.48 = 209,419.14/x
  3. Step 3: Cross multiply
    816,631.48x = 1,224,944.48 × 209,419.14
  4. Step 4: Simplify right side
    816,631.48x = 256,526,819,549.35
  5. Step 5: Solve for x
    x = 256,526,819,549.35/816,631.48
  6. Step 6: Final answer
    x = 314,128.01

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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.