Home / 893,500.71-1,233,040.50-485,602.58

Finding the Fourth Proportional to 893,500.71, 1,233,040.50 and 485,602.58

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Solution

The fourth proportional to 893,500.71, 1,233,040.50 and 485,602.58 is: 670,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,500.71 : 1,233,040.50 = 485,602.58 : x
  2. Step 2: Convert to fraction form
    893,500.71/1,233,040.50 = 485,602.58/x
  3. Step 3: Cross multiply
    893,500.71x = 1,233,040.50 × 485,602.58
  4. Step 4: Simplify right side
    893,500.71x = 598,767,648,044.49
  5. Step 5: Solve for x
    x = 598,767,648,044.49/893,500.71
  6. Step 6: Final answer
    x = 670,136.73

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Double scale
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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.