Home / 628,173.90-935,156.45-624,437.20

Finding the Fourth Proportional to 628,173.90, 935,156.45 and 624,437.20

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Solution

The fourth proportional to 628,173.90, 935,156.45 and 624,437.20 is: 929,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,173.90 : 935,156.45 = 624,437.20 : x
  2. Step 2: Convert to fraction form
    628,173.90/935,156.45 = 624,437.20/x
  3. Step 3: Cross multiply
    628,173.90x = 935,156.45 × 624,437.20
  4. Step 4: Simplify right side
    628,173.90x = 583,946,470,524.16
  5. Step 5: Solve for x
    x = 583,946,470,524.16/628,173.90
  6. Step 6: Final answer
    x = 929,593.65

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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.