Home / 1,219,298.67-1,682,610.12-675,432.77

Finding the Fourth Proportional to 1,219,298.67, 1,682,610.12 and 675,432.77

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Solution

The fourth proportional to 1,219,298.67, 1,682,610.12 and 675,432.77 is: 932,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,298.67 : 1,682,610.12 = 675,432.77 : x
  2. Step 2: Convert to fraction form
    1,219,298.67/1,682,610.12 = 675,432.77/x
  3. Step 3: Cross multiply
    1,219,298.67x = 1,682,610.12 × 675,432.77
  4. Step 4: Simplify right side
    1,219,298.67x = 1,136,490,015,855.28
  5. Step 5: Solve for x
    x = 1,136,490,015,855.28/1,219,298.67
  6. Step 6: Final answer
    x = 932,085.01

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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.