Home / 923,000.70-1,384,501.05-655,311.90

Finding the Fourth Proportional to 923,000.70, 1,384,501.05 and 655,311.90

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Solution

The fourth proportional to 923,000.70, 1,384,501.05 and 655,311.90 is: 982,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,000.70 : 1,384,501.05 = 655,311.90 : x
  2. Step 2: Convert to fraction form
    923,000.70/1,384,501.05 = 655,311.90/x
  3. Step 3: Cross multiply
    923,000.70x = 1,384,501.05 × 655,311.90
  4. Step 4: Simplify right side
    923,000.70x = 907,280,013,627.50
  5. Step 5: Solve for x
    x = 907,280,013,627.50/923,000.70
  6. Step 6: Final answer
    x = 982,967.85

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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.