Home / 409,823.96-565,559.52-228,547.34

Finding the Fourth Proportional to 409,823.96, 565,559.52 and 228,547.34

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Solution

The fourth proportional to 409,823.96, 565,559.52 and 228,547.34 is: 315,396.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,823.96 : 565,559.52 = 228,547.34 : x
  2. Step 2: Convert to fraction form
    409,823.96/565,559.52 = 228,547.34/x
  3. Step 3: Cross multiply
    409,823.96x = 565,559.52 × 228,547.34
  4. Step 4: Simplify right side
    409,823.96x = 129,257,123,907.68
  5. Step 5: Solve for x
    x = 129,257,123,907.68/409,823.96
  6. Step 6: Final answer
    x = 315,396.70

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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.