Home / 1,137,397.54-1,569,609.21-621,158.50

Finding the Fourth Proportional to 1,137,397.54, 1,569,609.21 and 621,158.50

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Solution

The fourth proportional to 1,137,397.54, 1,569,609.21 and 621,158.50 is: 857,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,397.54 : 1,569,609.21 = 621,158.50 : x
  2. Step 2: Convert to fraction form
    1,137,397.54/1,569,609.21 = 621,158.50/x
  3. Step 3: Cross multiply
    1,137,397.54x = 1,569,609.21 × 621,158.50
  4. Step 4: Simplify right side
    1,137,397.54x = 974,976,102,469.79
  5. Step 5: Solve for x
    x = 974,976,102,469.79/1,137,397.54
  6. Step 6: Final answer
    x = 857,199.06

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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.