Home / 838,233.96-1,156,730.76-475,636.20

Finding the Fourth Proportional to 838,233.96, 1,156,730.76 and 475,636.20

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Solution

The fourth proportional to 838,233.96, 1,156,730.76 and 475,636.20 is: 656,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,233.96 : 1,156,730.76 = 475,636.20 : x
  2. Step 2: Convert to fraction form
    838,233.96/1,156,730.76 = 475,636.20/x
  3. Step 3: Cross multiply
    838,233.96x = 1,156,730.76 × 475,636.20
  4. Step 4: Simplify right side
    838,233.96x = 550,183,023,109.51
  5. Step 5: Solve for x
    x = 550,183,023,109.51/838,233.96
  6. Step 6: Final answer
    x = 656,359.74

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Half scale
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Double scale
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Similar ratio
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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.