Home / 864,165.70-1,296,248.55-233,079.40

Finding the Fourth Proportional to 864,165.70, 1,296,248.55 and 233,079.40

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Solution

The fourth proportional to 864,165.70, 1,296,248.55 and 233,079.40 is: 349,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,165.70 : 1,296,248.55 = 233,079.40 : x
  2. Step 2: Convert to fraction form
    864,165.70/1,296,248.55 = 233,079.40/x
  3. Step 3: Cross multiply
    864,165.70x = 1,296,248.55 × 233,079.40
  4. Step 4: Simplify right side
    864,165.70x = 302,128,834,284.87
  5. Step 5: Solve for x
    x = 302,128,834,284.87/864,165.70
  6. Step 6: Final answer
    x = 349,619.10

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.