Home / 771,169.50-1,156,434.93-291,315.44

Finding the Fourth Proportional to 771,169.50, 1,156,434.93 and 291,315.44

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Solution

The fourth proportional to 771,169.50, 1,156,434.93 and 291,315.44 is: 436,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,169.50 : 1,156,434.93 = 291,315.44 : x
  2. Step 2: Convert to fraction form
    771,169.50/1,156,434.93 = 291,315.44/x
  3. Step 3: Cross multiply
    771,169.50x = 1,156,434.93 × 291,315.44
  4. Step 4: Simplify right side
    771,169.50x = 336,887,344,682.15
  5. Step 5: Solve for x
    x = 336,887,344,682.15/771,169.50
  6. Step 6: Final answer
    x = 436,852.53

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.