Home / 1,292,855.32-1,938,609.71-482,573.49

Finding the Fourth Proportional to 1,292,855.32, 1,938,609.71 and 482,573.49

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Solution

The fourth proportional to 1,292,855.32, 1,938,609.71 and 482,573.49 is: 723,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,855.32 : 1,938,609.71 = 482,573.49 : x
  2. Step 2: Convert to fraction form
    1,292,855.32/1,938,609.71 = 482,573.49/x
  3. Step 3: Cross multiply
    1,292,855.32x = 1,938,609.71 × 482,573.49
  4. Step 4: Simplify right side
    1,292,855.32x = 935,521,653,502.59
  5. Step 5: Solve for x
    x = 935,521,653,502.59/1,292,855.32
  6. Step 6: Final answer
    x = 723,608.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.