Home / 896,081.60-1,344,122.40-774,430.40

Finding the Fourth Proportional to 896,081.60, 1,344,122.40 and 774,430.40

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Solution

The fourth proportional to 896,081.60, 1,344,122.40 and 774,430.40 is: 1,161,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,081.60 : 1,344,122.40 = 774,430.40 : x
  2. Step 2: Convert to fraction form
    896,081.60/1,344,122.40 = 774,430.40/x
  3. Step 3: Cross multiply
    896,081.60x = 1,344,122.40 × 774,430.40
  4. Step 4: Simplify right side
    896,081.60x = 1,040,929,247,880.96
  5. Step 5: Solve for x
    x = 1,040,929,247,880.96/896,081.60
  6. Step 6: Final answer
    x = 1,161,645.60

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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.