Home / 1,688,679.68-2,533,158.93-551,416.59

Finding the Fourth Proportional to 1,688,679.68, 2,533,158.93 and 551,416.59

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Solution

The fourth proportional to 1,688,679.68, 2,533,158.93 and 551,416.59 is: 827,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,679.68 : 2,533,158.93 = 551,416.59 : x
  2. Step 2: Convert to fraction form
    1,688,679.68/2,533,158.93 = 551,416.59/x
  3. Step 3: Cross multiply
    1,688,679.68x = 2,533,158.93 × 551,416.59
  4. Step 4: Simplify right side
    1,688,679.68x = 1,396,825,859,108.65
  5. Step 5: Solve for x
    x = 1,396,825,859,108.65/1,688,679.68
  6. Step 6: Final answer
    x = 827,170.41

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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.