Home / 1,256,971.39-1,734,656.70-684,047.86

Finding the Fourth Proportional to 1,256,971.39, 1,734,656.70 and 684,047.86

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Solution

The fourth proportional to 1,256,971.39, 1,734,656.70 and 684,047.86 is: 944,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,971.39 : 1,734,656.70 = 684,047.86 : x
  2. Step 2: Convert to fraction form
    1,256,971.39/1,734,656.70 = 684,047.86/x
  3. Step 3: Cross multiply
    1,256,971.39x = 1,734,656.70 × 684,047.86
  4. Step 4: Simplify right side
    1,256,971.39x = 1,186,588,203,469.66
  5. Step 5: Solve for x
    x = 1,186,588,203,469.66/1,256,971.39
  6. Step 6: Final answer
    x = 944,005.74

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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.