Home / 826,000.62-1,238,738.40-561,461.10

Finding the Fourth Proportional to 826,000.62, 1,238,738.40 and 561,461.10

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Solution

The fourth proportional to 826,000.62, 1,238,738.40 and 561,461.10 is: 842,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,000.62 : 1,238,738.40 = 561,461.10 : x
  2. Step 2: Convert to fraction form
    826,000.62/1,238,738.40 = 561,461.10/x
  3. Step 3: Cross multiply
    826,000.62x = 1,238,738.40 × 561,461.10
  4. Step 4: Simplify right side
    826,000.62x = 695,503,424,676.24
  5. Step 5: Solve for x
    x = 695,503,424,676.24/826,000.62
  6. Step 6: Final answer
    x = 842,013.20

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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.