Home / 628,346.74-935,865.14-625,284.94

Finding the Fourth Proportional to 628,346.74, 935,865.14 and 625,284.94

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Solution

The fourth proportional to 628,346.74, 935,865.14 and 625,284.94 is: 931,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,346.74 : 935,865.14 = 625,284.94 : x
  2. Step 2: Convert to fraction form
    628,346.74/935,865.14 = 625,284.94/x
  3. Step 3: Cross multiply
    628,346.74x = 935,865.14 × 625,284.94
  4. Step 4: Simplify right side
    628,346.74x = 585,182,377,912.99
  5. Step 5: Solve for x
    x = 585,182,377,912.99/628,346.74
  6. Step 6: Final answer
    x = 931,304.87

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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.