Home / 922,150.35-1,383,225.53-621,000.45

Finding the Fourth Proportional to 922,150.35, 1,383,225.53 and 621,000.45

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Solution

The fourth proportional to 922,150.35, 1,383,225.53 and 621,000.45 is: 931,500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,150.35 : 1,383,225.53 = 621,000.45 : x
  2. Step 2: Convert to fraction form
    922,150.35/1,383,225.53 = 621,000.45/x
  3. Step 3: Cross multiply
    922,150.35x = 1,383,225.53 × 621,000.45
  4. Step 4: Simplify right side
    922,150.35x = 858,983,673,476.49
  5. Step 5: Solve for x
    x = 858,983,673,476.49/922,150.35
  6. Step 6: Final answer
    x = 931,500.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.