Home / 853,085.88-1,176,717.83-648,688.70

Finding the Fourth Proportional to 853,085.88, 1,176,717.83 and 648,688.70

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Solution

The fourth proportional to 853,085.88, 1,176,717.83 and 648,688.70 is: 894,779.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,085.88 : 1,176,717.83 = 648,688.70 : x
  2. Step 2: Convert to fraction form
    853,085.88/1,176,717.83 = 648,688.70/x
  3. Step 3: Cross multiply
    853,085.88x = 1,176,717.83 × 648,688.70
  4. Step 4: Simplify right side
    853,085.88x = 763,323,559,107.87
  5. Step 5: Solve for x
    x = 763,323,559,107.87/853,085.88
  6. Step 6: Final answer
    x = 894,779.27

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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.