Home / 1,728,718.40-2,385,663-954,441.20

Finding the Fourth Proportional to 1,728,718.40, 2,385,663 and 954,441.20

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Solution

The fourth proportional to 1,728,718.40, 2,385,663 and 954,441.20 is: 1,317,146.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,718.40 : 2,385,663 = 954,441.20 : x
  2. Step 2: Convert to fraction form
    1,728,718.40/2,385,663 = 954,441.20/x
  3. Step 3: Cross multiply
    1,728,718.40x = 2,385,663 × 954,441.20
  4. Step 4: Simplify right side
    1,728,718.40x = 2,276,975,056,515.60
  5. Step 5: Solve for x
    x = 2,276,975,056,515.60/1,728,718.40
  6. Step 6: Final answer
    x = 1,317,146.31

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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.