Home / 1,365,541.20-2,047,657.50-645,283.44

Finding the Fourth Proportional to 1,365,541.20, 2,047,657.50 and 645,283.44

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Solution

The fourth proportional to 1,365,541.20, 2,047,657.50 and 645,283.44 is: 967,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,541.20 : 2,047,657.50 = 645,283.44 : x
  2. Step 2: Convert to fraction form
    1,365,541.20/2,047,657.50 = 645,283.44/x
  3. Step 3: Cross multiply
    1,365,541.20x = 2,047,657.50 × 645,283.44
  4. Step 4: Simplify right side
    1,365,541.20x = 1,321,319,475,541.80
  5. Step 5: Solve for x
    x = 1,321,319,475,541.80/1,365,541.20
  6. Step 6: Final answer
    x = 967,615.97

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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.