Home / 628,174.40-935,157.20-624,437.70

Finding the Fourth Proportional to 628,174.40, 935,157.20 and 624,437.70

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Solution

The fourth proportional to 628,174.40, 935,157.20 and 624,437.70 is: 929,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,174.40 : 935,157.20 = 624,437.70 : x
  2. Step 2: Convert to fraction form
    628,174.40/935,157.20 = 624,437.70/x
  3. Step 3: Cross multiply
    628,174.40x = 935,157.20 × 624,437.70
  4. Step 4: Simplify right side
    628,174.40x = 583,947,403,308.47
  5. Step 5: Solve for x
    x = 583,947,403,308.47/628,174.40
  6. Step 6: Final answer
    x = 929,594.40

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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.