Home / 1,385,297-1,911,691.22-773,459.16

Finding the Fourth Proportional to 1,385,297, 1,911,691.22 and 773,459.16

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Solution

The fourth proportional to 1,385,297, 1,911,691.22 and 773,459.16 is: 1,067,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,297 : 1,911,691.22 = 773,459.16 : x
  2. Step 2: Convert to fraction form
    1,385,297/1,911,691.22 = 773,459.16/x
  3. Step 3: Cross multiply
    1,385,297x = 1,911,691.22 × 773,459.16
  4. Step 4: Simplify right side
    1,385,297x = 1,478,615,085,200.58
  5. Step 5: Solve for x
    x = 1,478,615,085,200.58/1,385,297
  6. Step 6: Final answer
    x = 1,067,363.23

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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.