Home / 911,553.34-1,257,878.97-503,650.72

Finding the Fourth Proportional to 911,553.34, 1,257,878.97 and 503,650.72

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Solution

The fourth proportional to 911,553.34, 1,257,878.97 and 503,650.72 is: 695,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,553.34 : 1,257,878.97 = 503,650.72 : x
  2. Step 2: Convert to fraction form
    911,553.34/1,257,878.97 = 503,650.72/x
  3. Step 3: Cross multiply
    911,553.34x = 1,257,878.97 × 503,650.72
  4. Step 4: Simplify right side
    911,553.34x = 633,531,648,913.36
  5. Step 5: Solve for x
    x = 633,531,648,913.36/911,553.34
  6. Step 6: Final answer
    x = 695,002.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.