Home / 1,434,911.16-1,980,102.66-891,035.29

Finding the Fourth Proportional to 1,434,911.16, 1,980,102.66 and 891,035.29

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Solution

The fourth proportional to 1,434,911.16, 1,980,102.66 and 891,035.29 is: 1,229,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,911.16 : 1,980,102.66 = 891,035.29 : x
  2. Step 2: Convert to fraction form
    1,434,911.16/1,980,102.66 = 891,035.29/x
  3. Step 3: Cross multiply
    1,434,911.16x = 1,980,102.66 × 891,035.29
  4. Step 4: Simplify right side
    1,434,911.16x = 1,764,341,347,882.87
  5. Step 5: Solve for x
    x = 1,764,341,347,882.87/1,434,911.16
  6. Step 6: Final answer
    x = 1,229,582.29

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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.