Home / 872,316.11-1,308,473.76-273,324.35

Finding the Fourth Proportional to 872,316.11, 1,308,473.76 and 273,324.35

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Solution

The fourth proportional to 872,316.11, 1,308,473.76 and 273,324.35 is: 409,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,316.11 : 1,308,473.76 = 273,324.35 : x
  2. Step 2: Convert to fraction form
    872,316.11/1,308,473.76 = 273,324.35/x
  3. Step 3: Cross multiply
    872,316.11x = 1,308,473.76 × 273,324.35
  4. Step 4: Simplify right side
    872,316.11x = 357,637,739,944.06
  5. Step 5: Solve for x
    x = 357,637,739,944.06/872,316.11
  6. Step 6: Final answer
    x = 409,986.40

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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.