Home / 858,391.58-1,184,635.74-476,418.37

Finding the Fourth Proportional to 858,391.58, 1,184,635.74 and 476,418.37

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Solution

The fourth proportional to 858,391.58, 1,184,635.74 and 476,418.37 is: 657,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,391.58 : 1,184,635.74 = 476,418.37 : x
  2. Step 2: Convert to fraction form
    858,391.58/1,184,635.74 = 476,418.37/x
  3. Step 3: Cross multiply
    858,391.58x = 1,184,635.74 × 476,418.37
  4. Step 4: Simplify right side
    858,391.58x = 564,382,228,294.54
  5. Step 5: Solve for x
    x = 564,382,228,294.54/858,391.58
  6. Step 6: Final answer
    x = 657,488.08

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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.