Home / 1,938,654.50-2,906,635.12-858,578.50

Finding the Fourth Proportional to 1,938,654.50, 2,906,635.12 and 858,578.50

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Solution

The fourth proportional to 1,938,654.50, 2,906,635.12 and 858,578.50 is: 1,287,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,654.50 : 2,906,635.12 = 858,578.50 : x
  2. Step 2: Convert to fraction form
    1,938,654.50/2,906,635.12 = 858,578.50/x
  3. Step 3: Cross multiply
    1,938,654.50x = 2,906,635.12 × 858,578.50
  4. Step 4: Simplify right side
    1,938,654.50x = 2,495,574,421,376.92
  5. Step 5: Solve for x
    x = 2,495,574,421,376.92/1,938,654.50
  6. Step 6: Final answer
    x = 1,287,271.36

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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.