Home / 897,777.40-1,238,763.09-535,234.72

Finding the Fourth Proportional to 897,777.40, 1,238,763.09 and 535,234.72

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Solution

The fourth proportional to 897,777.40, 1,238,763.09 and 535,234.72 is: 738,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,777.40 : 1,238,763.09 = 535,234.72 : x
  2. Step 2: Convert to fraction form
    897,777.40/1,238,763.09 = 535,234.72/x
  3. Step 3: Cross multiply
    897,777.40x = 1,238,763.09 × 535,234.72
  4. Step 4: Simplify right side
    897,777.40x = 663,029,015,622.49
  5. Step 5: Solve for x
    x = 663,029,015,622.49/897,777.40
  6. Step 6: Final answer
    x = 738,522.73

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.