Home / 838,014.70-1,156,486.52-475,453.84

Finding the Fourth Proportional to 838,014.70, 1,156,486.52 and 475,453.84

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Solution

The fourth proportional to 838,014.70, 1,156,486.52 and 475,453.84 is: 656,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,014.70 : 1,156,486.52 = 475,453.84 : x
  2. Step 2: Convert to fraction form
    838,014.70/1,156,486.52 = 475,453.84/x
  3. Step 3: Cross multiply
    838,014.70x = 1,156,486.52 × 475,453.84
  4. Step 4: Simplify right side
    838,014.70x = 549,855,948,682.54
  5. Step 5: Solve for x
    x = 549,855,948,682.54/838,014.70
  6. Step 6: Final answer
    x = 656,141.18

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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.