Home / 571,142.60-857,271.66-476,975.24

Finding the Fourth Proportional to 571,142.60, 857,271.66 and 476,975.24

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Solution

The fourth proportional to 571,142.60, 857,271.66 and 476,975.24 is: 715,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,142.60 : 857,271.66 = 476,975.24 : x
  2. Step 2: Convert to fraction form
    571,142.60/857,271.66 = 476,975.24/x
  3. Step 3: Cross multiply
    571,142.60x = 857,271.66 × 476,975.24
  4. Step 4: Simplify right side
    571,142.60x = 408,897,355,773.70
  5. Step 5: Solve for x
    x = 408,897,355,773.70/571,142.60
  6. Step 6: Final answer
    x = 715,928.66

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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.