Home / 1,193,422.91-1,646,930.47-649,557.40

Finding the Fourth Proportional to 1,193,422.91, 1,646,930.47 and 649,557.40

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Solution

The fourth proportional to 1,193,422.91, 1,646,930.47 and 649,557.40 is: 896,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,422.91 : 1,646,930.47 = 649,557.40 : x
  2. Step 2: Convert to fraction form
    1,193,422.91/1,646,930.47 = 649,557.40/x
  3. Step 3: Cross multiply
    1,193,422.91x = 1,646,930.47 × 649,557.40
  4. Step 4: Simplify right side
    1,193,422.91x = 1,069,775,870,826.19
  5. Step 5: Solve for x
    x = 1,069,775,870,826.19/1,193,422.91
  6. Step 6: Final answer
    x = 896,392.94

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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.