Home / 1,992,398.50-2,988,597.75-662,702.50

Finding the Fourth Proportional to 1,992,398.50, 2,988,597.75 and 662,702.50

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Solution

The fourth proportional to 1,992,398.50, 2,988,597.75 and 662,702.50 is: 994,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,398.50 : 2,988,597.75 = 662,702.50 : x
  2. Step 2: Convert to fraction form
    1,992,398.50/2,988,597.75 = 662,702.50/x
  3. Step 3: Cross multiply
    1,992,398.50x = 2,988,597.75 × 662,702.50
  4. Step 4: Simplify right side
    1,992,398.50x = 1,980,551,200,419.38
  5. Step 5: Solve for x
    x = 1,980,551,200,419.38/1,992,398.50
  6. Step 6: Final answer
    x = 994,053.75

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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.