Home / 1,187,570.75-1,638,847.64-651,026.75

Finding the Fourth Proportional to 1,187,570.75, 1,638,847.64 and 651,026.75

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Solution

The fourth proportional to 1,187,570.75, 1,638,847.64 and 651,026.75 is: 898,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,570.75 : 1,638,847.64 = 651,026.75 : x
  2. Step 2: Convert to fraction form
    1,187,570.75/1,638,847.64 = 651,026.75/x
  3. Step 3: Cross multiply
    1,187,570.75x = 1,638,847.64 × 651,026.75
  4. Step 4: Simplify right side
    1,187,570.75x = 1,066,933,652,814.37
  5. Step 5: Solve for x
    x = 1,066,933,652,814.37/1,187,570.75
  6. Step 6: Final answer
    x = 898,416.92

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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.