Home / 1,416,040.65-1,954,130.27-771,458.85

Finding the Fourth Proportional to 1,416,040.65, 1,954,130.27 and 771,458.85

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Solution

The fourth proportional to 1,416,040.65, 1,954,130.27 and 771,458.85 is: 1,064,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,040.65 : 1,954,130.27 = 771,458.85 : x
  2. Step 2: Convert to fraction form
    1,416,040.65/1,954,130.27 = 771,458.85/x
  3. Step 3: Cross multiply
    1,416,040.65x = 1,954,130.27 × 771,458.85
  4. Step 4: Simplify right side
    1,416,040.65x = 1,507,531,086,987.10
  5. Step 5: Solve for x
    x = 1,507,531,086,987.10/1,416,040.65
  6. Step 6: Final answer
    x = 1,064,610.04

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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.