Home / 771,784.90-1,157,059.11-366,773.85

Finding the Fourth Proportional to 771,784.90, 1,157,059.11 and 366,773.85

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Solution

The fourth proportional to 771,784.90, 1,157,059.11 and 366,773.85 is: 549,866.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,784.90 : 1,157,059.11 = 366,773.85 : x
  2. Step 2: Convert to fraction form
    771,784.90/1,157,059.11 = 366,773.85/x
  3. Step 3: Cross multiply
    771,784.90x = 1,157,059.11 × 366,773.85
  4. Step 4: Simplify right side
    771,784.90x = 424,379,025,827.68
  5. Step 5: Solve for x
    x = 424,379,025,827.68/771,784.90
  6. Step 6: Final answer
    x = 549,866.97

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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.