Home / 1,603,854.36-2,213,380.02-915,638.27

Finding the Fourth Proportional to 1,603,854.36, 2,213,380.02 and 915,638.27

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Solution

The fourth proportional to 1,603,854.36, 2,213,380.02 and 915,638.27 is: 1,263,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,854.36 : 2,213,380.02 = 915,638.27 : x
  2. Step 2: Convert to fraction form
    1,603,854.36/2,213,380.02 = 915,638.27/x
  3. Step 3: Cross multiply
    1,603,854.36x = 2,213,380.02 × 915,638.27
  4. Step 4: Simplify right side
    1,603,854.36x = 2,026,655,441,298.47
  5. Step 5: Solve for x
    x = 2,026,655,441,298.47/1,603,854.36
  6. Step 6: Final answer
    x = 1,263,615.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.