Home / 913,792.08-1,369,783.92-433,175.72

Finding the Fourth Proportional to 913,792.08, 1,369,783.92 and 433,175.72

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Solution

The fourth proportional to 913,792.08, 1,369,783.92 and 433,175.72 is: 649,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,792.08 : 1,369,783.92 = 433,175.72 : x
  2. Step 2: Convert to fraction form
    913,792.08/1,369,783.92 = 433,175.72/x
  3. Step 3: Cross multiply
    913,792.08x = 1,369,783.92 × 433,175.72
  4. Step 4: Simplify right side
    913,792.08x = 593,357,135,790.42
  5. Step 5: Solve for x
    x = 593,357,135,790.42/913,792.08
  6. Step 6: Final answer
    x = 649,334.95

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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.