Home / 1,147,664.70-1,719,423.45-981,776.70

Finding the Fourth Proportional to 1,147,664.70, 1,719,423.45 and 981,776.70

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Solution

The fourth proportional to 1,147,664.70, 1,719,423.45 and 981,776.70 is: 1,470,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,664.70 : 1,719,423.45 = 981,776.70 : x
  2. Step 2: Convert to fraction form
    1,147,664.70/1,719,423.45 = 981,776.70/x
  3. Step 3: Cross multiply
    1,147,664.70x = 1,719,423.45 × 981,776.70
  4. Step 4: Simplify right side
    1,147,664.70x = 1,688,089,880,643.62
  5. Step 5: Solve for x
    x = 1,688,089,880,643.62/1,147,664.70
  6. Step 6: Final answer
    x = 1,470,891.18

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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.