Home / 1,208,781.60-1,810,985.40-576,301.20

Finding the Fourth Proportional to 1,208,781.60, 1,810,985.40 and 576,301.20

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Solution

The fourth proportional to 1,208,781.60, 1,810,985.40 and 576,301.20 is: 863,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,781.60 : 1,810,985.40 = 576,301.20 : x
  2. Step 2: Convert to fraction form
    1,208,781.60/1,810,985.40 = 576,301.20/x
  3. Step 3: Cross multiply
    1,208,781.60x = 1,810,985.40 × 576,301.20
  4. Step 4: Simplify right side
    1,208,781.60x = 1,043,673,059,202.48
  5. Step 5: Solve for x
    x = 1,043,673,059,202.48/1,208,781.60
  6. Step 6: Final answer
    x = 863,409.12

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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.