Home / 1,680,573.69-2,319,223.19-916,654.59

Finding the Fourth Proportional to 1,680,573.69, 2,319,223.19 and 916,654.59

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Solution

The fourth proportional to 1,680,573.69, 2,319,223.19 and 916,654.59 is: 1,265,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,573.69 : 2,319,223.19 = 916,654.59 : x
  2. Step 2: Convert to fraction form
    1,680,573.69/2,319,223.19 = 916,654.59/x
  3. Step 3: Cross multiply
    1,680,573.69x = 2,319,223.19 × 916,654.59
  4. Step 4: Simplify right side
    1,680,573.69x = 2,125,926,577,764.67
  5. Step 5: Solve for x
    x = 2,125,926,577,764.67/1,680,573.69
  6. Step 6: Final answer
    x = 1,265,000.51

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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.