Home / 2,063,520.90-3,095,572.95-643,428.90

Finding the Fourth Proportional to 2,063,520.90, 3,095,572.95 and 643,428.90

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Solution

The fourth proportional to 2,063,520.90, 3,095,572.95 and 643,428.90 is: 965,234.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063,520.90 : 3,095,572.95 = 643,428.90 : x
  2. Step 2: Convert to fraction form
    2,063,520.90/3,095,572.95 = 643,428.90/x
  3. Step 3: Cross multiply
    2,063,520.90x = 3,095,572.95 × 643,428.90
  4. Step 4: Simplify right side
    2,063,520.90x = 1,991,781,098,088.26
  5. Step 5: Solve for x
    x = 1,991,781,098,088.26/2,063,520.90
  6. Step 6: Final answer
    x = 965,234.27

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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.