Home / 930,215.67-1,283,681.28-522,320.73

Finding the Fourth Proportional to 930,215.67, 1,283,681.28 and 522,320.73

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Solution

The fourth proportional to 930,215.67, 1,283,681.28 and 522,320.73 is: 720,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,215.67 : 1,283,681.28 = 522,320.73 : x
  2. Step 2: Convert to fraction form
    930,215.67/1,283,681.28 = 522,320.73/x
  3. Step 3: Cross multiply
    930,215.67x = 1,283,681.28 × 522,320.73
  4. Step 4: Simplify right side
    930,215.67x = 670,493,343,256.94
  5. Step 5: Solve for x
    x = 670,493,343,256.94/930,215.67
  6. Step 6: Final answer
    x = 720,793.43

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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.