Home / 1,016,394.75-1,402,879.64-690,259.59

Finding the Fourth Proportional to 1,016,394.75, 1,402,879.64 and 690,259.59

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Solution

The fourth proportional to 1,016,394.75, 1,402,879.64 and 690,259.59 is: 952,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,394.75 : 1,402,879.64 = 690,259.59 : x
  2. Step 2: Convert to fraction form
    1,016,394.75/1,402,879.64 = 690,259.59/x
  3. Step 3: Cross multiply
    1,016,394.75x = 1,402,879.64 × 690,259.59
  4. Step 4: Simplify right side
    1,016,394.75x = 968,351,121,674.45
  5. Step 5: Solve for x
    x = 968,351,121,674.45/1,016,394.75
  6. Step 6: Final answer
    x = 952,731.33

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Double scale
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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.