Home / 971,144.32-1,341,025.38-609,190.35

Finding the Fourth Proportional to 971,144.32, 1,341,025.38 and 609,190.35

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Solution

The fourth proportional to 971,144.32, 1,341,025.38 and 609,190.35 is: 841,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,144.32 : 1,341,025.38 = 609,190.35 : x
  2. Step 2: Convert to fraction form
    971,144.32/1,341,025.38 = 609,190.35/x
  3. Step 3: Cross multiply
    971,144.32x = 1,341,025.38 × 609,190.35
  4. Step 4: Simplify right side
    971,144.32x = 816,939,720,601.08
  5. Step 5: Solve for x
    x = 816,939,720,601.08/971,144.32
  6. Step 6: Final answer
    x = 841,213.51

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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.