Home / 826,648.85-1,240,354.62-377,507.39

Finding the Fourth Proportional to 826,648.85, 1,240,354.62 and 377,507.39

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Solution

The fourth proportional to 826,648.85, 1,240,354.62 and 377,507.39 is: 566,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,648.85 : 1,240,354.62 = 377,507.39 : x
  2. Step 2: Convert to fraction form
    826,648.85/1,240,354.62 = 377,507.39/x
  3. Step 3: Cross multiply
    826,648.85x = 1,240,354.62 × 377,507.39
  4. Step 4: Simplify right side
    826,648.85x = 468,243,029,068.87
  5. Step 5: Solve for x
    x = 468,243,029,068.87/826,648.85
  6. Step 6: Final answer
    x = 566,435.23

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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.