Home / 831,588.76-1,147,592.30-469,011.84

Finding the Fourth Proportional to 831,588.76, 1,147,592.30 and 469,011.84

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Solution

The fourth proportional to 831,588.76, 1,147,592.30 and 469,011.84 is: 647,236.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,588.76 : 1,147,592.30 = 469,011.84 : x
  2. Step 2: Convert to fraction form
    831,588.76/1,147,592.30 = 469,011.84/x
  3. Step 3: Cross multiply
    831,588.76x = 1,147,592.30 × 469,011.84
  4. Step 4: Simplify right side
    831,588.76x = 538,234,376,192.83
  5. Step 5: Solve for x
    x = 538,234,376,192.83/831,588.76
  6. Step 6: Final answer
    x = 647,236.23

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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.