Home / 828,702.86-1,143,601.65-461,173.79

Finding the Fourth Proportional to 828,702.86, 1,143,601.65 and 461,173.79

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Solution

The fourth proportional to 828,702.86, 1,143,601.65 and 461,173.79 is: 636,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,702.86 : 1,143,601.65 = 461,173.79 : x
  2. Step 2: Convert to fraction form
    828,702.86/1,143,601.65 = 461,173.79/x
  3. Step 3: Cross multiply
    828,702.86x = 1,143,601.65 × 461,173.79
  4. Step 4: Simplify right side
    828,702.86x = 527,399,101,462.75
  5. Step 5: Solve for x
    x = 527,399,101,462.75/828,702.86
  6. Step 6: Final answer
    x = 636,415.21

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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.