Home / 629,766.10-869,044.34-357,796.22

Finding the Fourth Proportional to 629,766.10, 869,044.34 and 357,796.22

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Solution

The fourth proportional to 629,766.10, 869,044.34 and 357,796.22 is: 493,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,766.10 : 869,044.34 = 357,796.22 : x
  2. Step 2: Convert to fraction form
    629,766.10/869,044.34 = 357,796.22/x
  3. Step 3: Cross multiply
    629,766.10x = 869,044.34 × 357,796.22
  4. Step 4: Simplify right side
    629,766.10x = 310,940,779,864.40
  5. Step 5: Solve for x
    x = 310,940,779,864.40/629,766.10
  6. Step 6: Final answer
    x = 493,740.10

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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.