Home / 1,600,976.89-2,209,365.53-875,809.03

Finding the Fourth Proportional to 1,600,976.89, 2,209,365.53 and 875,809.03

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Solution

The fourth proportional to 1,600,976.89, 2,209,365.53 and 875,809.03 is: 1,208,625.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,976.89 : 2,209,365.53 = 875,809.03 : x
  2. Step 2: Convert to fraction form
    1,600,976.89/2,209,365.53 = 875,809.03/x
  3. Step 3: Cross multiply
    1,600,976.89x = 2,209,365.53 × 875,809.03
  4. Step 4: Simplify right side
    1,600,976.89x = 1,934,982,281,744.74
  5. Step 5: Solve for x
    x = 1,934,982,281,744.74/1,600,976.89
  6. Step 6: Final answer
    x = 1,208,625.99

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1.5x scale

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.