Home / 1,211,921.02-1,817,927.49-453,682.72

Finding the Fourth Proportional to 1,211,921.02, 1,817,927.49 and 453,682.72

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Solution

The fourth proportional to 1,211,921.02, 1,817,927.49 and 453,682.72 is: 680,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,921.02 : 1,817,927.49 = 453,682.72 : x
  2. Step 2: Convert to fraction form
    1,211,921.02/1,817,927.49 = 453,682.72/x
  3. Step 3: Cross multiply
    1,211,921.02x = 1,817,927.49 × 453,682.72
  4. Step 4: Simplify right side
    1,211,921.02x = 824,762,288,425.97
  5. Step 5: Solve for x
    x = 824,762,288,425.97/1,211,921.02
  6. Step 6: Final answer
    x = 680,541.29

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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.