Home / 864,092.40-1,293,870.60-610,000.80

Finding the Fourth Proportional to 864,092.40, 1,293,870.60 and 610,000.80

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Solution

The fourth proportional to 864,092.40, 1,293,870.60 and 610,000.80 is: 913,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,092.40 : 1,293,870.60 = 610,000.80 : x
  2. Step 2: Convert to fraction form
    864,092.40/1,293,870.60 = 610,000.80/x
  3. Step 3: Cross multiply
    864,092.40x = 1,293,870.60 × 610,000.80
  4. Step 4: Simplify right side
    864,092.40x = 789,262,101,096.48
  5. Step 5: Solve for x
    x = 789,262,101,096.48/864,092.40
  6. Step 6: Final answer
    x = 913,400.12

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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.