Home / 628,289.76-935,328.54-624,553.16

Finding the Fourth Proportional to 628,289.76, 935,328.54 and 624,553.16

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Solution

The fourth proportional to 628,289.76, 935,328.54 and 624,553.16 is: 929,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,289.76 : 935,328.54 = 624,553.16 : x
  2. Step 2: Convert to fraction form
    628,289.76/935,328.54 = 624,553.16/x
  3. Step 3: Cross multiply
    628,289.76x = 935,328.54 × 624,553.16
  4. Step 4: Simplify right side
    628,289.76x = 584,162,395,295.19
  5. Step 5: Solve for x
    x = 584,162,395,295.19/628,289.76
  6. Step 6: Final answer
    x = 929,765.90

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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.