Home / 1,427,574.76-1,970,056.01-783,000.25

Finding the Fourth Proportional to 1,427,574.76, 1,970,056.01 and 783,000.25

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Solution

The fourth proportional to 1,427,574.76, 1,970,056.01 and 783,000.25 is: 1,080,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,574.76 : 1,970,056.01 = 783,000.25 : x
  2. Step 2: Convert to fraction form
    1,427,574.76/1,970,056.01 = 783,000.25/x
  3. Step 3: Cross multiply
    1,427,574.76x = 1,970,056.01 × 783,000.25
  4. Step 4: Simplify right side
    1,427,574.76x = 1,542,554,348,344.00
  5. Step 5: Solve for x
    x = 1,542,554,348,344.00/1,427,574.76
  6. Step 6: Final answer
    x = 1,080,541.90

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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.