Home / 771,634.50-1,064,856.15-432,110.58

Finding the Fourth Proportional to 771,634.50, 1,064,856.15 and 432,110.58

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Solution

The fourth proportional to 771,634.50, 1,064,856.15 and 432,110.58 is: 596,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,634.50 : 1,064,856.15 = 432,110.58 : x
  2. Step 2: Convert to fraction form
    771,634.50/1,064,856.15 = 432,110.58/x
  3. Step 3: Cross multiply
    771,634.50x = 1,064,856.15 × 432,110.58
  4. Step 4: Simplify right side
    771,634.50x = 460,135,608,593.07
  5. Step 5: Solve for x
    x = 460,135,608,593.07/771,634.50
  6. Step 6: Final answer
    x = 596,312.90

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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.