Home / 1,657,367.10-2,486,155.86-520,174.26

Finding the Fourth Proportional to 1,657,367.10, 2,486,155.86 and 520,174.26

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Solution

The fourth proportional to 1,657,367.10, 2,486,155.86 and 520,174.26 is: 780,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,367.10 : 2,486,155.86 = 520,174.26 : x
  2. Step 2: Convert to fraction form
    1,657,367.10/2,486,155.86 = 520,174.26/x
  3. Step 3: Cross multiply
    1,657,367.10x = 2,486,155.86 × 520,174.26
  4. Step 4: Simplify right side
    1,657,367.10x = 1,293,234,284,720.16
  5. Step 5: Solve for x
    x = 1,293,234,284,720.16/1,657,367.10
  6. Step 6: Final answer
    x = 780,294.41

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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.