Home / 864,306.48-1,296,459.71-233,219.28

Finding the Fourth Proportional to 864,306.48, 1,296,459.71 and 233,219.28

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Solution

The fourth proportional to 864,306.48, 1,296,459.71 and 233,219.28 is: 349,828.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,306.48 : 1,296,459.71 = 233,219.28 : x
  2. Step 2: Convert to fraction form
    864,306.48/1,296,459.71 = 233,219.28/x
  3. Step 3: Cross multiply
    864,306.48x = 1,296,459.71 × 233,219.28
  4. Step 4: Simplify right side
    864,306.48x = 302,359,400,115.21
  5. Step 5: Solve for x
    x = 302,359,400,115.21/864,306.48
  6. Step 6: Final answer
    x = 349,828.92

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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.