Home / 1,416,191.06-1,954,318.80-771,615.86

Finding the Fourth Proportional to 1,416,191.06, 1,954,318.80 and 771,615.86

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Solution

The fourth proportional to 1,416,191.06, 1,954,318.80 and 771,615.86 is: 1,064,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,191.06 : 1,954,318.80 = 771,615.86 : x
  2. Step 2: Convert to fraction form
    1,416,191.06/1,954,318.80 = 771,615.86/x
  3. Step 3: Cross multiply
    1,416,191.06x = 1,954,318.80 × 771,615.86
  4. Step 4: Simplify right side
    1,416,191.06x = 1,507,983,381,576.17
  5. Step 5: Solve for x
    x = 1,507,983,381,576.17/1,416,191.06
  6. Step 6: Final answer
    x = 1,064,816.34

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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.