Home / 838,189.46-1,156,799.94-470,726.98

Finding the Fourth Proportional to 838,189.46, 1,156,799.94 and 470,726.98

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Solution

The fourth proportional to 838,189.46, 1,156,799.94 and 470,726.98 is: 649,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,189.46 : 1,156,799.94 = 470,726.98 : x
  2. Step 2: Convert to fraction form
    838,189.46/1,156,799.94 = 470,726.98/x
  3. Step 3: Cross multiply
    838,189.46x = 1,156,799.94 × 470,726.98
  4. Step 4: Simplify right side
    838,189.46x = 544,536,942,220.38
  5. Step 5: Solve for x
    x = 544,536,942,220.38/838,189.46
  6. Step 6: Final answer
    x = 649,658.54

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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.