Home / 1,690,935.32-2,333,402.62-965,641.34

Finding the Fourth Proportional to 1,690,935.32, 2,333,402.62 and 965,641.34

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Solution

The fourth proportional to 1,690,935.32, 2,333,402.62 and 965,641.34 is: 1,332,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,935.32 : 2,333,402.62 = 965,641.34 : x
  2. Step 2: Convert to fraction form
    1,690,935.32/2,333,402.62 = 965,641.34/x
  3. Step 3: Cross multiply
    1,690,935.32x = 2,333,402.62 × 965,641.34
  4. Step 4: Simplify right side
    1,690,935.32x = 2,253,230,018,655.19
  5. Step 5: Solve for x
    x = 2,253,230,018,655.19/1,690,935.32
  6. Step 6: Final answer
    x = 1,332,534.72

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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.