Home / 1,205,133.12-1,805,832.48-760,968

Finding the Fourth Proportional to 1,205,133.12, 1,805,832.48 and 760,968

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Solution

The fourth proportional to 1,205,133.12, 1,805,832.48 and 760,968 is: 1,140,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,133.12 : 1,805,832.48 = 760,968 : x
  2. Step 2: Convert to fraction form
    1,205,133.12/1,805,832.48 = 760,968/x
  3. Step 3: Cross multiply
    1,205,133.12x = 1,805,832.48 × 760,968
  4. Step 4: Simplify right side
    1,205,133.12x = 1,374,180,730,640.64
  5. Step 5: Solve for x
    x = 1,374,180,730,640.64/1,205,133.12
  6. Step 6: Final answer
    x = 1,140,272.98

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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.