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Finding the Fourth Proportional to 777,058.92, 1,072,325.11 and 432,894.37

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Solution

The fourth proportional to 777,058.92, 1,072,325.11 and 432,894.37 is: 597,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,058.92 : 1,072,325.11 = 432,894.37 : x
  2. Step 2: Convert to fraction form
    777,058.92/1,072,325.11 = 432,894.37/x
  3. Step 3: Cross multiply
    777,058.92x = 1,072,325.11 × 432,894.37
  4. Step 4: Simplify right side
    777,058.92x = 464,203,502,928.63
  5. Step 5: Solve for x
    x = 464,203,502,928.63/777,058.92
  6. Step 6: Final answer
    x = 597,385.21

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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.