Home / 1,237,385.88-1,707,831.90-806,918.67

Finding the Fourth Proportional to 1,237,385.88, 1,707,831.90 and 806,918.67

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Solution

The fourth proportional to 1,237,385.88, 1,707,831.90 and 806,918.67 is: 1,113,703.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,385.88 : 1,707,831.90 = 806,918.67 : x
  2. Step 2: Convert to fraction form
    1,237,385.88/1,707,831.90 = 806,918.67/x
  3. Step 3: Cross multiply
    1,237,385.88x = 1,707,831.90 × 806,918.67
  4. Step 4: Simplify right side
    1,237,385.88x = 1,378,081,445,331.57
  5. Step 5: Solve for x
    x = 1,378,081,445,331.57/1,237,385.88
  6. Step 6: Final answer
    x = 1,113,703.87

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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.