Home / 1,252,618.38-1,728,607.59-679,657.14

Finding the Fourth Proportional to 1,252,618.38, 1,728,607.59 and 679,657.14

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Solution

The fourth proportional to 1,252,618.38, 1,728,607.59 and 679,657.14 is: 937,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,618.38 : 1,728,607.59 = 679,657.14 : x
  2. Step 2: Convert to fraction form
    1,252,618.38/1,728,607.59 = 679,657.14/x
  3. Step 3: Cross multiply
    1,252,618.38x = 1,728,607.59 × 679,657.14
  4. Step 4: Simplify right side
    1,252,618.38x = 1,174,860,490,801.69
  5. Step 5: Solve for x
    x = 1,174,860,490,801.69/1,252,618.38
  6. Step 6: Final answer
    x = 937,923.72

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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.