Home / 1,234,298.83-1,702,587.58-815,197.19

Finding the Fourth Proportional to 1,234,298.83, 1,702,587.58 and 815,197.19

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Solution

The fourth proportional to 1,234,298.83, 1,702,587.58 and 815,197.19 is: 1,124,480.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,298.83 : 1,702,587.58 = 815,197.19 : x
  2. Step 2: Convert to fraction form
    1,234,298.83/1,702,587.58 = 815,197.19/x
  3. Step 3: Cross multiply
    1,234,298.83x = 1,702,587.58 × 815,197.19
  4. Step 4: Simplify right side
    1,234,298.83x = 1,387,944,600,393.97
  5. Step 5: Solve for x
    x = 1,387,944,600,393.97/1,234,298.83
  6. Step 6: Final answer
    x = 1,124,480.21

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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.