Home / 1,351,305.41-2,026,638.23-391,506.98

Finding the Fourth Proportional to 1,351,305.41, 2,026,638.23 and 391,506.98

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Solution

The fourth proportional to 1,351,305.41, 2,026,638.23 and 391,506.98 is: 587,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,305.41 : 2,026,638.23 = 391,506.98 : x
  2. Step 2: Convert to fraction form
    1,351,305.41/2,026,638.23 = 391,506.98/x
  3. Step 3: Cross multiply
    1,351,305.41x = 2,026,638.23 × 391,506.98
  4. Step 4: Simplify right side
    1,351,305.41x = 793,443,000,889.12
  5. Step 5: Solve for x
    x = 793,443,000,889.12/1,351,305.41
  6. Step 6: Final answer
    x = 587,167.78

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1.5x scale

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.