Home / 1,892,503.31-2,838,794.85-678,159.09

Finding the Fourth Proportional to 1,892,503.31, 2,838,794.85 and 678,159.09

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Solution

The fourth proportional to 1,892,503.31, 2,838,794.85 and 678,159.09 is: 1,017,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,503.31 : 2,838,794.85 = 678,159.09 : x
  2. Step 2: Convert to fraction form
    1,892,503.31/2,838,794.85 = 678,159.09/x
  3. Step 3: Cross multiply
    1,892,503.31x = 2,838,794.85 × 678,159.09
  4. Step 4: Simplify right side
    1,892,503.31x = 1,925,154,532,172.69
  5. Step 5: Solve for x
    x = 1,925,154,532,172.69/1,892,503.31
  6. Step 6: Final answer
    x = 1,017,252.93

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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.