Home / 836,580.80-1,151,806.56-709,054.40

Finding the Fourth Proportional to 836,580.80, 1,151,806.56 and 709,054.40

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Solution

The fourth proportional to 836,580.80, 1,151,806.56 and 709,054.40 is: 976,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,580.80 : 1,151,806.56 = 709,054.40 : x
  2. Step 2: Convert to fraction form
    836,580.80/1,151,806.56 = 709,054.40/x
  3. Step 3: Cross multiply
    836,580.80x = 1,151,806.56 × 709,054.40
  4. Step 4: Simplify right side
    836,580.80x = 816,693,509,316.86
  5. Step 5: Solve for x
    x = 816,693,509,316.86/836,580.80
  6. Step 6: Final answer
    x = 976,227.89

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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.