Home / 1,284,166.60-1,925,796.30-442,522.60

Finding the Fourth Proportional to 1,284,166.60, 1,925,796.30 and 442,522.60

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Solution

The fourth proportional to 1,284,166.60, 1,925,796.30 and 442,522.60 is: 663,627.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,166.60 : 1,925,796.30 = 442,522.60 : x
  2. Step 2: Convert to fraction form
    1,284,166.60/1,925,796.30 = 442,522.60/x
  3. Step 3: Cross multiply
    1,284,166.60x = 1,925,796.30 × 442,522.60
  4. Step 4: Simplify right side
    1,284,166.60x = 852,208,385,746.38
  5. Step 5: Solve for x
    x = 852,208,385,746.38/1,284,166.60
  6. Step 6: Final answer
    x = 663,627.59

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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.