Home / 1,767,906.40-2,651,859.60-438,210.40

Finding the Fourth Proportional to 1,767,906.40, 2,651,859.60 and 438,210.40

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Solution

The fourth proportional to 1,767,906.40, 2,651,859.60 and 438,210.40 is: 657,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,906.40 : 2,651,859.60 = 438,210.40 : x
  2. Step 2: Convert to fraction form
    1,767,906.40/2,651,859.60 = 438,210.40/x
  3. Step 3: Cross multiply
    1,767,906.40x = 2,651,859.60 × 438,210.40
  4. Step 4: Simplify right side
    1,767,906.40x = 1,162,072,456,059.84
  5. Step 5: Solve for x
    x = 1,162,072,456,059.84/1,767,906.40
  6. Step 6: Final answer
    x = 657,315.60

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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.