Home / 916,729.67-1,265,087.77-549,420.17

Finding the Fourth Proportional to 916,729.67, 1,265,087.77 and 549,420.17

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Solution

The fourth proportional to 916,729.67, 1,265,087.77 and 549,420.17 is: 758,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,729.67 : 1,265,087.77 = 549,420.17 : x
  2. Step 2: Convert to fraction form
    916,729.67/1,265,087.77 = 549,420.17/x
  3. Step 3: Cross multiply
    916,729.67x = 1,265,087.77 × 549,420.17
  4. Step 4: Simplify right side
    916,729.67x = 695,064,729,959.33
  5. Step 5: Solve for x
    x = 695,064,729,959.33/916,729.67
  6. Step 6: Final answer
    x = 758,200.32

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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.