Home / 790,705.24-1,090,357.65-676,362.40

Finding the Fourth Proportional to 790,705.24, 1,090,357.65 and 676,362.40

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Solution

The fourth proportional to 790,705.24, 1,090,357.65 and 676,362.40 is: 932,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,705.24 : 1,090,357.65 = 676,362.40 : x
  2. Step 2: Convert to fraction form
    790,705.24/1,090,357.65 = 676,362.40/x
  3. Step 3: Cross multiply
    790,705.24x = 1,090,357.65 × 676,362.40
  4. Step 4: Simplify right side
    790,705.24x = 737,476,913,630.55
  5. Step 5: Solve for x
    x = 737,476,913,630.55/790,705.24
  6. Step 6: Final answer
    x = 932,682.47

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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.