Home / 776,490.48-1,164,742.92-243,999.72

Finding the Fourth Proportional to 776,490.48, 1,164,742.92 and 243,999.72

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Solution

The fourth proportional to 776,490.48, 1,164,742.92 and 243,999.72 is: 366,001.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,490.48 : 1,164,742.92 = 243,999.72 : x
  2. Step 2: Convert to fraction form
    776,490.48/1,164,742.92 = 243,999.72/x
  3. Step 3: Cross multiply
    776,490.48x = 1,164,742.92 × 243,999.72
  4. Step 4: Simplify right side
    776,490.48x = 284,196,946,351.98
  5. Step 5: Solve for x
    x = 284,196,946,351.98/776,490.48
  6. Step 6: Final answer
    x = 366,001.84

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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.