Home / 1,415,531.10-1,953,363.20-803,603.57

Finding the Fourth Proportional to 1,415,531.10, 1,953,363.20 and 803,603.57

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Solution

The fourth proportional to 1,415,531.10, 1,953,363.20 and 803,603.57 is: 1,108,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,531.10 : 1,953,363.20 = 803,603.57 : x
  2. Step 2: Convert to fraction form
    1,415,531.10/1,953,363.20 = 803,603.57/x
  3. Step 3: Cross multiply
    1,415,531.10x = 1,953,363.20 × 803,603.57
  4. Step 4: Simplify right side
    1,415,531.10x = 1,569,729,627,241.79
  5. Step 5: Solve for x
    x = 1,569,729,627,241.79/1,415,531.10
  6. Step 6: Final answer
    x = 1,108,933.34

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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.