Home / 1,370,703.59-2,055,389.27-687,296.84

Finding the Fourth Proportional to 1,370,703.59, 2,055,389.27 and 687,296.84

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Solution

The fourth proportional to 1,370,703.59, 2,055,389.27 and 687,296.84 is: 1,030,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,703.59 : 2,055,389.27 = 687,296.84 : x
  2. Step 2: Convert to fraction form
    1,370,703.59/2,055,389.27 = 687,296.84/x
  3. Step 3: Cross multiply
    1,370,703.59x = 2,055,389.27 × 687,296.84
  4. Step 4: Simplify right side
    1,370,703.59x = 1,412,662,550,240.91
  5. Step 5: Solve for x
    x = 1,412,662,550,240.91/1,370,703.59
  6. Step 6: Final answer
    x = 1,030,611.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.