Home / 776,743.43-1,070,068.12-740,869.34

Finding the Fourth Proportional to 776,743.43, 1,070,068.12 and 740,869.34

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Solution

The fourth proportional to 776,743.43, 1,070,068.12 and 740,869.34 is: 1,020,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,743.43 : 1,070,068.12 = 740,869.34 : x
  2. Step 2: Convert to fraction form
    776,743.43/1,070,068.12 = 740,869.34/x
  3. Step 3: Cross multiply
    776,743.43x = 1,070,068.12 × 740,869.34
  4. Step 4: Simplify right side
    776,743.43x = 792,780,654,616.93
  5. Step 5: Solve for x
    x = 792,780,654,616.93/776,743.43
  6. Step 6: Final answer
    x = 1,020,646.75

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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.