Home / 868,173.36-1,301,984.16-811,501.16

Finding the Fourth Proportional to 868,173.36, 1,301,984.16 and 811,501.16

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Solution

The fourth proportional to 868,173.36, 1,301,984.16 and 811,501.16 is: 1,216,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,173.36 : 1,301,984.16 = 811,501.16 : x
  2. Step 2: Convert to fraction form
    868,173.36/1,301,984.16 = 811,501.16/x
  3. Step 3: Cross multiply
    868,173.36x = 1,301,984.16 × 811,501.16
  4. Step 4: Simplify right side
    868,173.36x = 1,056,561,656,141.63
  5. Step 5: Solve for x
    x = 1,056,561,656,141.63/868,173.36
  6. Step 6: Final answer
    x = 1,216,993.87

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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.