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Finding the Fourth Proportional to 777,059.42, 1,072,325.81 and 432,894.87

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Solution

The fourth proportional to 777,059.42, 1,072,325.81 and 432,894.87 is: 597,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,059.42 : 1,072,325.81 = 432,894.87 : x
  2. Step 2: Convert to fraction form
    777,059.42/1,072,325.81 = 432,894.87/x
  3. Step 3: Cross multiply
    777,059.42x = 1,072,325.81 × 432,894.87
  4. Step 4: Simplify right side
    777,059.42x = 464,204,339,953.12
  5. Step 5: Solve for x
    x = 464,204,339,953.12/777,059.42
  6. Step 6: Final answer
    x = 597,385.90

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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.