Home / 838,093.70-1,156,691.19-470,612.09

Finding the Fourth Proportional to 838,093.70, 1,156,691.19 and 470,612.09

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Solution

The fourth proportional to 838,093.70, 1,156,691.19 and 470,612.09 is: 649,513.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,093.70 : 1,156,691.19 = 470,612.09 : x
  2. Step 2: Convert to fraction form
    838,093.70/1,156,691.19 = 470,612.09/x
  3. Step 3: Cross multiply
    838,093.70x = 1,156,691.19 × 470,612.09
  4. Step 4: Simplify right side
    838,093.70x = 544,352,858,410.49
  5. Step 5: Solve for x
    x = 544,352,858,410.49/838,093.70
  6. Step 6: Final answer
    x = 649,513.13

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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.