Home / 1,004,009.50-1,385,542.83-551,310.22

Finding the Fourth Proportional to 1,004,009.50, 1,385,542.83 and 551,310.22

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Solution

The fourth proportional to 1,004,009.50, 1,385,542.83 and 551,310.22 is: 760,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,009.50 : 1,385,542.83 = 551,310.22 : x
  2. Step 2: Convert to fraction form
    1,004,009.50/1,385,542.83 = 551,310.22/x
  3. Step 3: Cross multiply
    1,004,009.50x = 1,385,542.83 × 551,310.22
  4. Step 4: Simplify right side
    1,004,009.50x = 763,863,922,426.72
  5. Step 5: Solve for x
    x = 763,863,922,426.72/1,004,009.50
  6. Step 6: Final answer
    x = 760,813.44

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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.