Home / 1,540,701.78-2,309,800.59-642,812.46

Finding the Fourth Proportional to 1,540,701.78, 2,309,800.59 and 642,812.46

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Solution

The fourth proportional to 1,540,701.78, 2,309,800.59 and 642,812.46 is: 963,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,701.78 : 2,309,800.59 = 642,812.46 : x
  2. Step 2: Convert to fraction form
    1,540,701.78/2,309,800.59 = 642,812.46/x
  3. Step 3: Cross multiply
    1,540,701.78x = 2,309,800.59 × 642,812.46
  4. Step 4: Simplify right side
    1,540,701.78x = 1,484,768,599,367.35
  5. Step 5: Solve for x
    x = 1,484,768,599,367.35/1,540,701.78
  6. Step 6: Final answer
    x = 963,696.30

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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.