Home / 1,600,968.53-2,209,388.85-912,627.80

Finding the Fourth Proportional to 1,600,968.53, 2,209,388.85 and 912,627.80

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Solution

The fourth proportional to 1,600,968.53, 2,209,388.85 and 912,627.80 is: 1,259,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,968.53 : 2,209,388.85 = 912,627.80 : x
  2. Step 2: Convert to fraction form
    1,600,968.53/2,209,388.85 = 912,627.80/x
  3. Step 3: Cross multiply
    1,600,968.53x = 2,209,388.85 × 912,627.80
  4. Step 4: Simplify right side
    1,600,968.53x = 2,016,349,674,473.09
  5. Step 5: Solve for x
    x = 2,016,349,674,473.09/1,600,968.53
  6. Step 6: Final answer
    x = 1,259,456.16

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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.