Home / 765,652.50-1,148,391.11-204,730.74

Finding the Fourth Proportional to 765,652.50, 1,148,391.11 and 204,730.74

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Solution

The fourth proportional to 765,652.50, 1,148,391.11 and 204,730.74 is: 307,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,652.50 : 1,148,391.11 = 204,730.74 : x
  2. Step 2: Convert to fraction form
    765,652.50/1,148,391.11 = 204,730.74/x
  3. Step 3: Cross multiply
    765,652.50x = 1,148,391.11 × 204,730.74
  4. Step 4: Simplify right side
    765,652.50x = 235,110,956,017.77
  5. Step 5: Solve for x
    x = 235,110,956,017.77/765,652.50
  6. Step 6: Final answer
    x = 307,072.67

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1.5x scale

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.