Home / 1,247,270.06-1,720,613.86-805,592.77

Finding the Fourth Proportional to 1,247,270.06, 1,720,613.86 and 805,592.77

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Solution

The fourth proportional to 1,247,270.06, 1,720,613.86 and 805,592.77 is: 1,111,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,270.06 : 1,720,613.86 = 805,592.77 : x
  2. Step 2: Convert to fraction form
    1,247,270.06/1,720,613.86 = 805,592.77/x
  3. Step 3: Cross multiply
    1,247,270.06x = 1,720,613.86 × 805,592.77
  4. Step 4: Simplify right side
    1,247,270.06x = 1,386,114,085,577.79
  5. Step 5: Solve for x
    x = 1,386,114,085,577.79/1,247,270.06
  6. Step 6: Final answer
    x = 1,111,318.33

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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.