Home / 1,314,554.32-1,971,634.11-415,879.27

Finding the Fourth Proportional to 1,314,554.32, 1,971,634.11 and 415,879.27

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Solution

The fourth proportional to 1,314,554.32, 1,971,634.11 and 415,879.27 is: 623,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,554.32 : 1,971,634.11 = 415,879.27 : x
  2. Step 2: Convert to fraction form
    1,314,554.32/1,971,634.11 = 415,879.27/x
  3. Step 3: Cross multiply
    1,314,554.32x = 1,971,634.11 × 415,879.27
  4. Step 4: Simplify right side
    1,314,554.32x = 819,961,754,373.90
  5. Step 5: Solve for x
    x = 819,961,754,373.90/1,314,554.32
  6. Step 6: Final answer
    x = 623,756.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.