Home / 655,719.90-983,534.68-403,039.41

Finding the Fourth Proportional to 655,719.90, 983,534.68 and 403,039.41

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Solution

The fourth proportional to 655,719.90, 983,534.68 and 403,039.41 is: 604,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,719.90 : 983,534.68 = 403,039.41 : x
  2. Step 2: Convert to fraction form
    655,719.90/983,534.68 = 403,039.41/x
  3. Step 3: Cross multiply
    655,719.90x = 983,534.68 × 403,039.41
  4. Step 4: Simplify right side
    655,719.90x = 396,403,237,141.74
  5. Step 5: Solve for x
    x = 396,403,237,141.74/655,719.90
  6. Step 6: Final answer
    x = 604,531.35

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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.