Home / 1,638,274.28-2,457,410.13-440,196.60

Finding the Fourth Proportional to 1,638,274.28, 2,457,410.13 and 440,196.60

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Solution

The fourth proportional to 1,638,274.28, 2,457,410.13 and 440,196.60 is: 660,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,274.28 : 2,457,410.13 = 440,196.60 : x
  2. Step 2: Convert to fraction form
    1,638,274.28/2,457,410.13 = 440,196.60/x
  3. Step 3: Cross multiply
    1,638,274.28x = 2,457,410.13 × 440,196.60
  4. Step 4: Simplify right side
    1,638,274.28x = 1,081,743,569,543.52
  5. Step 5: Solve for x
    x = 1,081,743,569,543.52/1,638,274.28
  6. Step 6: Final answer
    x = 660,294.55

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1.5x scale

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.