Home / 683,932.56-1,020,890.76-603,131.52

Finding the Fourth Proportional to 683,932.56, 1,020,890.76 and 603,131.52

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Solution

The fourth proportional to 683,932.56, 1,020,890.76 and 603,131.52 is: 900,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,932.56 : 1,020,890.76 = 603,131.52 : x
  2. Step 2: Convert to fraction form
    683,932.56/1,020,890.76 = 603,131.52/x
  3. Step 3: Cross multiply
    683,932.56x = 1,020,890.76 × 603,131.52
  4. Step 4: Simplify right side
    683,932.56x = 615,731,395,832.76
  5. Step 5: Solve for x
    x = 615,731,395,832.76/683,932.56
  6. Step 6: Final answer
    x = 900,280.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.