Home / 1,669,312.16-2,503,929.36-911,890.88

Finding the Fourth Proportional to 1,669,312.16, 2,503,929.36 and 911,890.88

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Solution

The fourth proportional to 1,669,312.16, 2,503,929.36 and 911,890.88 is: 1,367,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,312.16 : 2,503,929.36 = 911,890.88 : x
  2. Step 2: Convert to fraction form
    1,669,312.16/2,503,929.36 = 911,890.88/x
  3. Step 3: Cross multiply
    1,669,312.16x = 2,503,929.36 × 911,890.88
  4. Step 4: Simplify right side
    1,669,312.16x = 2,283,310,347,548.24
  5. Step 5: Solve for x
    x = 2,283,310,347,548.24/1,669,312.16
  6. Step 6: Final answer
    x = 1,367,815.08

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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.