Home / 674,481.06-1,011,424.86-358,862.94

Finding the Fourth Proportional to 674,481.06, 1,011,424.86 and 358,862.94

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Solution

The fourth proportional to 674,481.06, 1,011,424.86 and 358,862.94 is: 538,136.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,481.06 : 1,011,424.86 = 358,862.94 : x
  2. Step 2: Convert to fraction form
    674,481.06/1,011,424.86 = 358,862.94/x
  3. Step 3: Cross multiply
    674,481.06x = 1,011,424.86 × 358,862.94
  4. Step 4: Simplify right side
    674,481.06x = 362,962,898,848.69
  5. Step 5: Solve for x
    x = 362,962,898,848.69/674,481.06
  6. Step 6: Final answer
    x = 538,136.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.