Home / 1,115,708.27-1,539,687.57-606,411.86

Finding the Fourth Proportional to 1,115,708.27, 1,539,687.57 and 606,411.86

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Solution

The fourth proportional to 1,115,708.27, 1,539,687.57 and 606,411.86 is: 836,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,708.27 : 1,539,687.57 = 606,411.86 : x
  2. Step 2: Convert to fraction form
    1,115,708.27/1,539,687.57 = 606,411.86/x
  3. Step 3: Cross multiply
    1,115,708.27x = 1,539,687.57 × 606,411.86
  4. Step 4: Simplify right side
    1,115,708.27x = 933,684,803,142.58
  5. Step 5: Solve for x
    x = 933,684,803,142.58/1,115,708.27
  6. Step 6: Final answer
    x = 836,853.89

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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.