Home / 836,043.63-1,152,954.32-644,754.03

Finding the Fourth Proportional to 836,043.63, 1,152,954.32 and 644,754.03

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Solution

The fourth proportional to 836,043.63, 1,152,954.32 and 644,754.03 is: 889,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,043.63 : 1,152,954.32 = 644,754.03 : x
  2. Step 2: Convert to fraction form
    836,043.63/1,152,954.32 = 644,754.03/x
  3. Step 3: Cross multiply
    836,043.63x = 1,152,954.32 × 644,754.03
  4. Step 4: Simplify right side
    836,043.63x = 743,371,941,002.14
  5. Step 5: Solve for x
    x = 743,371,941,002.14/836,043.63
  6. Step 6: Final answer
    x = 889,154.48

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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.