Home / 1,131,165.88-1,561,019.07-614,920.77

Finding the Fourth Proportional to 1,131,165.88, 1,561,019.07 and 614,920.77

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Solution

The fourth proportional to 1,131,165.88, 1,561,019.07 and 614,920.77 is: 848,596.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,165.88 : 1,561,019.07 = 614,920.77 : x
  2. Step 2: Convert to fraction form
    1,131,165.88/1,561,019.07 = 614,920.77/x
  3. Step 3: Cross multiply
    1,131,165.88x = 1,561,019.07 × 614,920.77
  4. Step 4: Simplify right side
    1,131,165.88x = 959,903,048,509.08
  5. Step 5: Solve for x
    x = 959,903,048,509.08/1,131,165.88
  6. Step 6: Final answer
    x = 848,596.19

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Double scale
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Similar ratio
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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.