Home / 836,042.88-1,152,953.28-644,753.28

Finding the Fourth Proportional to 836,042.88, 1,152,953.28 and 644,753.28

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Solution

The fourth proportional to 836,042.88, 1,152,953.28 and 644,753.28 is: 889,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,042.88 : 1,152,953.28 = 644,753.28 : x
  2. Step 2: Convert to fraction form
    836,042.88/1,152,953.28 = 644,753.28/x
  3. Step 3: Cross multiply
    836,042.88x = 1,152,953.28 × 644,753.28
  4. Step 4: Simplify right side
    836,042.88x = 743,370,408,966.76
  5. Step 5: Solve for x
    x = 743,370,408,966.76/836,042.88
  6. Step 6: Final answer
    x = 889,153.45

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Double scale
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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.