Home / 690,170.02-952,416.09-384,246.59

Finding the Fourth Proportional to 690,170.02, 952,416.09 and 384,246.59

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Solution

The fourth proportional to 690,170.02, 952,416.09 and 384,246.59 is: 530,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,170.02 : 952,416.09 = 384,246.59 : x
  2. Step 2: Convert to fraction form
    690,170.02/952,416.09 = 384,246.59/x
  3. Step 3: Cross multiply
    690,170.02x = 952,416.09 × 384,246.59
  4. Step 4: Simplify right side
    690,170.02x = 365,962,630,081.55
  5. Step 5: Solve for x
    x = 365,962,630,081.55/690,170.02
  6. Step 6: Final answer
    x = 530,249.97

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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.