Home / 628,682.36-938,459.25-581,846.54

Finding the Fourth Proportional to 628,682.36, 938,459.25 and 581,846.54

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Solution

The fourth proportional to 628,682.36, 938,459.25 and 581,846.54 is: 868,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,682.36 : 938,459.25 = 581,846.54 : x
  2. Step 2: Convert to fraction form
    628,682.36/938,459.25 = 581,846.54/x
  3. Step 3: Cross multiply
    628,682.36x = 938,459.25 × 581,846.54
  4. Step 4: Simplify right side
    628,682.36x = 546,039,262,851.20
  5. Step 5: Solve for x
    x = 546,039,262,851.20/628,682.36
  6. Step 6: Final answer
    x = 868,545.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.