Home / 1,137,211.35-1,569,415.58-621,013.24

Finding the Fourth Proportional to 1,137,211.35, 1,569,415.58 and 621,013.24

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Solution

The fourth proportional to 1,137,211.35, 1,569,415.58 and 621,013.24 is: 857,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,211.35 : 1,569,415.58 = 621,013.24 : x
  2. Step 2: Convert to fraction form
    1,137,211.35/1,569,415.58 = 621,013.24/x
  3. Step 3: Cross multiply
    1,137,211.35x = 1,569,415.58 × 621,013.24
  4. Step 4: Simplify right side
    1,137,211.35x = 974,627,854,242.28
  5. Step 5: Solve for x
    x = 974,627,854,242.28/1,137,211.35
  6. Step 6: Final answer
    x = 857,033.18

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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.