Home / 1,167,767.56-1,611,518.52-631,223.56

Finding the Fourth Proportional to 1,167,767.56, 1,611,518.52 and 631,223.56

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Solution

The fourth proportional to 1,167,767.56, 1,611,518.52 and 631,223.56 is: 871,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,767.56 : 1,611,518.52 = 631,223.56 : x
  2. Step 2: Convert to fraction form
    1,167,767.56/1,611,518.52 = 631,223.56/x
  3. Step 3: Cross multiply
    1,167,767.56x = 1,611,518.52 × 631,223.56
  4. Step 4: Simplify right side
    1,167,767.56x = 1,017,228,457,200.33
  5. Step 5: Solve for x
    x = 1,017,228,457,200.33/1,167,767.56
  6. Step 6: Final answer
    x = 871,088.13

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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.