Home / 1,284,213.93-1,772,230.10-711,263.67

Finding the Fourth Proportional to 1,284,213.93, 1,772,230.10 and 711,263.67

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Solution

The fourth proportional to 1,284,213.93, 1,772,230.10 and 711,263.67 is: 981,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,213.93 : 1,772,230.10 = 711,263.67 : x
  2. Step 2: Convert to fraction form
    1,284,213.93/1,772,230.10 = 711,263.67/x
  3. Step 3: Cross multiply
    1,284,213.93x = 1,772,230.10 × 711,263.67
  4. Step 4: Simplify right side
    1,284,213.93x = 1,260,522,881,454.15
  5. Step 5: Solve for x
    x = 1,260,522,881,454.15/1,284,213.93
  6. Step 6: Final answer
    x = 981,552.10

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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.