Home / 1,252,792.08-1,728,854.64-679,842

Finding the Fourth Proportional to 1,252,792.08, 1,728,854.64 and 679,842

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Solution

The fourth proportional to 1,252,792.08, 1,728,854.64 and 679,842 is: 938,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,792.08 : 1,728,854.64 = 679,842 : x
  2. Step 2: Convert to fraction form
    1,252,792.08/1,728,854.64 = 679,842/x
  3. Step 3: Cross multiply
    1,252,792.08x = 1,728,854.64 × 679,842
  4. Step 4: Simplify right side
    1,252,792.08x = 1,175,347,996,166.88
  5. Step 5: Solve for x
    x = 1,175,347,996,166.88/1,252,792.08
  6. Step 6: Final answer
    x = 938,182.81

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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.