Home / 1,661,528.40-2,492,292.60-905,701.20

Finding the Fourth Proportional to 1,661,528.40, 2,492,292.60 and 905,701.20

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Solution

The fourth proportional to 1,661,528.40, 2,492,292.60 and 905,701.20 is: 1,358,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,528.40 : 2,492,292.60 = 905,701.20 : x
  2. Step 2: Convert to fraction form
    1,661,528.40/2,492,292.60 = 905,701.20/x
  3. Step 3: Cross multiply
    1,661,528.40x = 2,492,292.60 × 905,701.20
  4. Step 4: Simplify right side
    1,661,528.40x = 2,257,272,398,571.12
  5. Step 5: Solve for x
    x = 2,257,272,398,571.12/1,661,528.40
  6. Step 6: Final answer
    x = 1,358,551.80

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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.