Home / 1,111,798.31-1,532,583.38-681,280.07

Finding the Fourth Proportional to 1,111,798.31, 1,532,583.38 and 681,280.07

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Solution

The fourth proportional to 1,111,798.31, 1,532,583.38 and 681,280.07 is: 939,125.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,798.31 : 1,532,583.38 = 681,280.07 : x
  2. Step 2: Convert to fraction form
    1,111,798.31/1,532,583.38 = 681,280.07/x
  3. Step 3: Cross multiply
    1,111,798.31x = 1,532,583.38 × 681,280.07
  4. Step 4: Simplify right side
    1,111,798.31x = 1,044,118,506,447.52
  5. Step 5: Solve for x
    x = 1,044,118,506,447.52/1,111,798.31
  6. Step 6: Final answer
    x = 939,125.83

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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.