Home / 1,090,107.60-1,635,744.60-459,085.20

Finding the Fourth Proportional to 1,090,107.60, 1,635,744.60 and 459,085.20

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Solution

The fourth proportional to 1,090,107.60, 1,635,744.60 and 459,085.20 is: 688,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,107.60 : 1,635,744.60 = 459,085.20 : x
  2. Step 2: Convert to fraction form
    1,090,107.60/1,635,744.60 = 459,085.20/x
  3. Step 3: Cross multiply
    1,090,107.60x = 1,635,744.60 × 459,085.20
  4. Step 4: Simplify right side
    1,090,107.60x = 750,946,136,839.92
  5. Step 5: Solve for x
    x = 750,946,136,839.92/1,090,107.60
  6. Step 6: Final answer
    x = 688,873.41

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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.