Home / 937,278.30-1,405,917.45-686,603.10

Finding the Fourth Proportional to 937,278.30, 1,405,917.45 and 686,603.10

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Solution

The fourth proportional to 937,278.30, 1,405,917.45 and 686,603.10 is: 1,029,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,278.30 : 1,405,917.45 = 686,603.10 : x
  2. Step 2: Convert to fraction form
    937,278.30/1,405,917.45 = 686,603.10/x
  3. Step 3: Cross multiply
    937,278.30x = 1,405,917.45 × 686,603.10
  4. Step 4: Simplify right side
    937,278.30x = 965,307,279,514.10
  5. Step 5: Solve for x
    x = 965,307,279,514.10/937,278.30
  6. Step 6: Final answer
    x = 1,029,904.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.