Home / 1,638,275.28-2,457,411.62-440,197.60

Finding the Fourth Proportional to 1,638,275.28, 2,457,411.62 and 440,197.60

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Solution

The fourth proportional to 1,638,275.28, 2,457,411.62 and 440,197.60 is: 660,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,275.28 : 2,457,411.62 = 440,197.60 : x
  2. Step 2: Convert to fraction form
    1,638,275.28/2,457,411.62 = 440,197.60/x
  3. Step 3: Cross multiply
    1,638,275.28x = 2,457,411.62 × 440,197.60
  4. Step 4: Simplify right side
    1,638,275.28x = 1,081,746,697,336.11
  5. Step 5: Solve for x
    x = 1,081,746,697,336.11/1,638,275.28
  6. Step 6: Final answer
    x = 660,296.05

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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.