Home / 628,306.53-935,353.08-624,569.79

Finding the Fourth Proportional to 628,306.53, 935,353.08 and 624,569.79

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Solution

The fourth proportional to 628,306.53, 935,353.08 and 624,569.79 is: 929,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,306.53 : 935,353.08 = 624,569.79 : x
  2. Step 2: Convert to fraction form
    628,306.53/935,353.08 = 624,569.79/x
  3. Step 3: Cross multiply
    628,306.53x = 935,353.08 × 624,569.79
  4. Step 4: Simplify right side
    628,306.53x = 584,193,276,751.45
  5. Step 5: Solve for x
    x = 584,193,276,751.45/628,306.53
  6. Step 6: Final answer
    x = 929,790.24

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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.