Home / 677,472.53-934,921.47-371,528.74

Finding the Fourth Proportional to 677,472.53, 934,921.47 and 371,528.74

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Solution

The fourth proportional to 677,472.53, 934,921.47 and 371,528.74 is: 512,714.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,472.53 : 934,921.47 = 371,528.74 : x
  2. Step 2: Convert to fraction form
    677,472.53/934,921.47 = 371,528.74/x
  3. Step 3: Cross multiply
    677,472.53x = 934,921.47 × 371,528.74
  4. Step 4: Simplify right side
    677,472.53x = 347,350,198,309.93
  5. Step 5: Solve for x
    x = 347,350,198,309.93/677,472.53
  6. Step 6: Final answer
    x = 512,714.81

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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.