Home / 1,252,777.86-1,728,838.15-679,818.08

Finding the Fourth Proportional to 1,252,777.86, 1,728,838.15 and 679,818.08

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Solution

The fourth proportional to 1,252,777.86, 1,728,838.15 and 679,818.08 is: 938,151.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,777.86 : 1,728,838.15 = 679,818.08 : x
  2. Step 2: Convert to fraction form
    1,252,777.86/1,728,838.15 = 679,818.08/x
  3. Step 3: Cross multiply
    1,252,777.86x = 1,728,838.15 × 679,818.08
  4. Step 4: Simplify right side
    1,252,777.86x = 1,175,295,434,386.30
  5. Step 5: Solve for x
    x = 1,175,295,434,386.30/1,252,777.86
  6. Step 6: Final answer
    x = 938,151.50

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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.