Home / 409,848.69-565,590.10-228,560.83

Finding the Fourth Proportional to 409,848.69, 565,590.10 and 228,560.83

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Solution

The fourth proportional to 409,848.69, 565,590.10 and 228,560.83 is: 315,413.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,848.69 : 565,590.10 = 228,560.83 : x
  2. Step 2: Convert to fraction form
    409,848.69/565,590.10 = 228,560.83/x
  3. Step 3: Cross multiply
    409,848.69x = 565,590.10 × 228,560.83
  4. Step 4: Simplify right side
    409,848.69x = 129,271,742,695.78
  5. Step 5: Solve for x
    x = 129,271,742,695.78/409,848.69
  6. Step 6: Final answer
    x = 315,413.34

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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.