Home / 677,472.93-934,929.81-371,561.49

Finding the Fourth Proportional to 677,472.93, 934,929.81 and 371,561.49

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Solution

The fourth proportional to 677,472.93, 934,929.81 and 371,561.49 is: 512,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,472.93 : 934,929.81 = 371,561.49 : x
  2. Step 2: Convert to fraction form
    677,472.93/934,929.81 = 371,561.49/x
  3. Step 3: Cross multiply
    677,472.93x = 934,929.81 × 371,561.49
  4. Step 4: Simplify right side
    677,472.93x = 347,383,913,249.02
  5. Step 5: Solve for x
    x = 347,383,913,249.02/677,472.93
  6. Step 6: Final answer
    x = 512,764.27

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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.