Home / 1,220,531.26-1,684,386.42-676,632.46

Finding the Fourth Proportional to 1,220,531.26, 1,684,386.42 and 676,632.46

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Solution

The fourth proportional to 1,220,531.26, 1,684,386.42 and 676,632.46 is: 933,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,531.26 : 1,684,386.42 = 676,632.46 : x
  2. Step 2: Convert to fraction form
    1,220,531.26/1,684,386.42 = 676,632.46/x
  3. Step 3: Cross multiply
    1,220,531.26x = 1,684,386.42 × 676,632.46
  4. Step 4: Simplify right side
    1,220,531.26x = 1,139,710,526,955.19
  5. Step 5: Solve for x
    x = 1,139,710,526,955.19/1,220,531.26
  6. Step 6: Final answer
    x = 933,782.33

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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.