Home / 1,313,806.42-1,813,053.38-710,194.42

Finding the Fourth Proportional to 1,313,806.42, 1,813,053.38 and 710,194.42

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Solution

The fourth proportional to 1,313,806.42, 1,813,053.38 and 710,194.42 is: 980,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,806.42 : 1,813,053.38 = 710,194.42 : x
  2. Step 2: Convert to fraction form
    1,313,806.42/1,813,053.38 = 710,194.42/x
  3. Step 3: Cross multiply
    1,313,806.42x = 1,813,053.38 × 710,194.42
  4. Step 4: Simplify right side
    1,313,806.42x = 1,287,620,393,638.14
  5. Step 5: Solve for x
    x = 1,287,620,393,638.14/1,313,806.42
  6. Step 6: Final answer
    x = 980,068.58

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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.