Home / 771,101.92-1,064,153.90-426,937.84

Finding the Fourth Proportional to 771,101.92, 1,064,153.90 and 426,937.84

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Solution

The fourth proportional to 771,101.92, 1,064,153.90 and 426,937.84 is: 589,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,101.92 : 1,064,153.90 = 426,937.84 : x
  2. Step 2: Convert to fraction form
    771,101.92/1,064,153.90 = 426,937.84/x
  3. Step 3: Cross multiply
    771,101.92x = 1,064,153.90 × 426,937.84
  4. Step 4: Simplify right side
    771,101.92x = 454,327,567,493.58
  5. Step 5: Solve for x
    x = 454,327,567,493.58/771,101.92
  6. Step 6: Final answer
    x = 589,192.63

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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.