Home / 1,331,658.70-1,837,689.07-719,809.45

Finding the Fourth Proportional to 1,331,658.70, 1,837,689.07 and 719,809.45

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Solution

The fourth proportional to 1,331,658.70, 1,837,689.07 and 719,809.45 is: 993,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,658.70 : 1,837,689.07 = 719,809.45 : x
  2. Step 2: Convert to fraction form
    1,331,658.70/1,837,689.07 = 719,809.45/x
  3. Step 3: Cross multiply
    1,331,658.70x = 1,837,689.07 × 719,809.45
  4. Step 4: Simplify right side
    1,331,658.70x = 1,322,785,964,040.61
  5. Step 5: Solve for x
    x = 1,322,785,964,040.61/1,331,658.70
  6. Step 6: Final answer
    x = 993,337.08

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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.