Home / 1,007,410.50-1,390,251.40-548,550.23

Finding the Fourth Proportional to 1,007,410.50, 1,390,251.40 and 548,550.23

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Solution

The fourth proportional to 1,007,410.50, 1,390,251.40 and 548,550.23 is: 757,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,410.50 : 1,390,251.40 = 548,550.23 : x
  2. Step 2: Convert to fraction form
    1,007,410.50/1,390,251.40 = 548,550.23/x
  3. Step 3: Cross multiply
    1,007,410.50x = 1,390,251.40 × 548,550.23
  4. Step 4: Simplify right side
    1,007,410.50x = 762,622,716,905.19
  5. Step 5: Solve for x
    x = 762,622,716,905.19/1,007,410.50
  6. Step 6: Final answer
    x = 757,012.87

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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.