Home / 1,663,629.30-2,495,443.32-653,226.66

Finding the Fourth Proportional to 1,663,629.30, 2,495,443.32 and 653,226.66

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Solution

The fourth proportional to 1,663,629.30, 2,495,443.32 and 653,226.66 is: 979,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,629.30 : 2,495,443.32 = 653,226.66 : x
  2. Step 2: Convert to fraction form
    1,663,629.30/2,495,443.32 = 653,226.66/x
  3. Step 3: Cross multiply
    1,663,629.30x = 2,495,443.32 × 653,226.66
  4. Step 4: Simplify right side
    1,663,629.30x = 1,630,090,105,142.91
  5. Step 5: Solve for x
    x = 1,630,090,105,142.91/1,663,629.30
  6. Step 6: Final answer
    x = 979,839.74

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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.