Home / 1,426,747.14-2,140,400.43-528,195.78

Finding the Fourth Proportional to 1,426,747.14, 2,140,400.43 and 528,195.78

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Solution

The fourth proportional to 1,426,747.14, 2,140,400.43 and 528,195.78 is: 792,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,747.14 : 2,140,400.43 = 528,195.78 : x
  2. Step 2: Convert to fraction form
    1,426,747.14/2,140,400.43 = 528,195.78/x
  3. Step 3: Cross multiply
    1,426,747.14x = 2,140,400.43 × 528,195.78
  4. Step 4: Simplify right side
    1,426,747.14x = 1,130,550,474,636.19
  5. Step 5: Solve for x
    x = 1,130,550,474,636.19/1,426,747.14
  6. Step 6: Final answer
    x = 792,397.23

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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.