Home / 831,635.16-1,147,609.40-469,037.35

Finding the Fourth Proportional to 831,635.16, 1,147,609.40 and 469,037.35

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Solution

The fourth proportional to 831,635.16, 1,147,609.40 and 469,037.35 is: 647,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,635.16 : 1,147,609.40 = 469,037.35 : x
  2. Step 2: Convert to fraction form
    831,635.16/1,147,609.40 = 469,037.35/x
  3. Step 3: Cross multiply
    831,635.16x = 1,147,609.40 × 469,037.35
  4. Step 4: Simplify right side
    831,635.16x = 538,271,666,073.04
  5. Step 5: Solve for x
    x = 538,271,666,073.04/831,635.16
  6. Step 6: Final answer
    x = 647,244.96

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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.