Home / 1,236,259.44-1,851,983.28-911,455.92

Finding the Fourth Proportional to 1,236,259.44, 1,851,983.28 and 911,455.92

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Solution

The fourth proportional to 1,236,259.44, 1,851,983.28 and 911,455.92 is: 1,365,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,259.44 : 1,851,983.28 = 911,455.92 : x
  2. Step 2: Convert to fraction form
    1,236,259.44/1,851,983.28 = 911,455.92/x
  3. Step 3: Cross multiply
    1,236,259.44x = 1,851,983.28 × 911,455.92
  4. Step 4: Simplify right side
    1,236,259.44x = 1,688,001,124,297.02
  5. Step 5: Solve for x
    x = 1,688,001,124,297.02/1,236,259.44
  6. Step 6: Final answer
    x = 1,365,410.10

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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.