Home / 858,115-1,184,198.70-476,203.24

Finding the Fourth Proportional to 858,115, 1,184,198.70 and 476,203.24

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Solution

The fourth proportional to 858,115, 1,184,198.70 and 476,203.24 is: 657,160.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,115 : 1,184,198.70 = 476,203.24 : x
  2. Step 2: Convert to fraction form
    858,115/1,184,198.70 = 476,203.24/x
  3. Step 3: Cross multiply
    858,115x = 1,184,198.70 × 476,203.24
  4. Step 4: Simplify right side
    858,115x = 563,919,257,743.79
  5. Step 5: Solve for x
    x = 563,919,257,743.79/858,115
  6. Step 6: Final answer
    x = 657,160.47

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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.