Home / 1,587,259.91-2,190,043.43-933,914.45

Finding the Fourth Proportional to 1,587,259.91, 2,190,043.43 and 933,914.45

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Solution

The fourth proportional to 1,587,259.91, 2,190,043.43 and 933,914.45 is: 1,288,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,259.91 : 2,190,043.43 = 933,914.45 : x
  2. Step 2: Convert to fraction form
    1,587,259.91/2,190,043.43 = 933,914.45/x
  3. Step 3: Cross multiply
    1,587,259.91x = 2,190,043.43 × 933,914.45
  4. Step 4: Simplify right side
    1,587,259.91x = 2,045,313,197,372.83
  5. Step 5: Solve for x
    x = 2,045,313,197,372.83/1,587,259.91
  6. Step 6: Final answer
    x = 1,288,581.15

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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.