Home / 963,000.30-1,444,500.45-490,608.30

Finding the Fourth Proportional to 963,000.30, 1,444,500.45 and 490,608.30

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Solution

The fourth proportional to 963,000.30, 1,444,500.45 and 490,608.30 is: 735,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,000.30 : 1,444,500.45 = 490,608.30 : x
  2. Step 2: Convert to fraction form
    963,000.30/1,444,500.45 = 490,608.30/x
  3. Step 3: Cross multiply
    963,000.30x = 1,444,500.45 × 490,608.30
  4. Step 4: Simplify right side
    963,000.30x = 708,683,910,123.74
  5. Step 5: Solve for x
    x = 708,683,910,123.74/963,000.30
  6. Step 6: Final answer
    x = 735,912.45

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Double scale
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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.