Home / 641,710.02-884,917.53-426,859.14

Finding the Fourth Proportional to 641,710.02, 884,917.53 and 426,859.14

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Solution

The fourth proportional to 641,710.02, 884,917.53 and 426,859.14 is: 588,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,710.02 : 884,917.53 = 426,859.14 : x
  2. Step 2: Convert to fraction form
    641,710.02/884,917.53 = 426,859.14/x
  3. Step 3: Cross multiply
    641,710.02x = 884,917.53 × 426,859.14
  4. Step 4: Simplify right side
    641,710.02x = 377,735,135,826.72
  5. Step 5: Solve for x
    x = 377,735,135,826.72/641,710.02
  6. Step 6: Final answer
    x = 588,638.36

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1.5x scale

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.