Home / 908,821.48-1,254,228.44-500,922.76

Finding the Fourth Proportional to 908,821.48, 1,254,228.44 and 500,922.76

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Solution

The fourth proportional to 908,821.48, 1,254,228.44 and 500,922.76 is: 691,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,821.48 : 1,254,228.44 = 500,922.76 : x
  2. Step 2: Convert to fraction form
    908,821.48/1,254,228.44 = 500,922.76/x
  3. Step 3: Cross multiply
    908,821.48x = 1,254,228.44 × 500,922.76
  4. Step 4: Simplify right side
    908,821.48x = 628,271,571,835.29
  5. Step 5: Solve for x
    x = 628,271,571,835.29/908,821.48
  6. Step 6: Final answer
    x = 691,303.61

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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.