Home / 719,108.06-992,372.04-396,827.48

Finding the Fourth Proportional to 719,108.06, 992,372.04 and 396,827.48

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Solution

The fourth proportional to 719,108.06, 992,372.04 and 396,827.48 is: 547,623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,108.06 : 992,372.04 = 396,827.48 : x
  2. Step 2: Convert to fraction form
    719,108.06/992,372.04 = 396,827.48/x
  3. Step 3: Cross multiply
    719,108.06x = 992,372.04 × 396,827.48
  4. Step 4: Simplify right side
    719,108.06x = 393,800,495,855.66
  5. Step 5: Solve for x
    x = 393,800,495,855.66/719,108.06
  6. Step 6: Final answer
    x = 547,623.53

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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.