Home / 1,225,532.85-1,691,211.02-681,656.93

Finding the Fourth Proportional to 1,225,532.85, 1,691,211.02 and 681,656.93

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Solution

The fourth proportional to 1,225,532.85, 1,691,211.02 and 681,656.93 is: 940,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,532.85 : 1,691,211.02 = 681,656.93 : x
  2. Step 2: Convert to fraction form
    1,225,532.85/1,691,211.02 = 681,656.93/x
  3. Step 3: Cross multiply
    1,225,532.85x = 1,691,211.02 × 681,656.93
  4. Step 4: Simplify right side
    1,225,532.85x = 1,152,825,717,807.54
  5. Step 5: Solve for x
    x = 1,152,825,717,807.54/1,225,532.85
  6. Step 6: Final answer
    x = 940,673.05

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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.