Home / 858,507.30-1,184,793.84-476,540.46

Finding the Fourth Proportional to 858,507.30, 1,184,793.84 and 476,540.46

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Solution

The fourth proportional to 858,507.30, 1,184,793.84 and 476,540.46 is: 657,655.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,507.30 : 1,184,793.84 = 476,540.46 : x
  2. Step 2: Convert to fraction form
    858,507.30/1,184,793.84 = 476,540.46/x
  3. Step 3: Cross multiply
    858,507.30x = 1,184,793.84 × 476,540.46
  4. Step 4: Simplify right side
    858,507.30x = 564,602,201,518.77
  5. Step 5: Solve for x
    x = 564,602,201,518.77/858,507.30
  6. Step 6: Final answer
    x = 657,655.68

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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.