Home / 829,877.03-1,145,339.43-467,371.76

Finding the Fourth Proportional to 829,877.03, 1,145,339.43 and 467,371.76

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Solution

The fourth proportional to 829,877.03, 1,145,339.43 and 467,371.76 is: 645,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,877.03 : 1,145,339.43 = 467,371.76 : x
  2. Step 2: Convert to fraction form
    829,877.03/1,145,339.43 = 467,371.76/x
  3. Step 3: Cross multiply
    829,877.03x = 1,145,339.43 × 467,371.76
  4. Step 4: Simplify right side
    829,877.03x = 535,299,297,717.16
  5. Step 5: Solve for x
    x = 535,299,297,717.16/829,877.03
  6. Step 6: Final answer
    x = 645,034.48

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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.