Home / 1,792,170.40-2,688,255.60-1,779,728.80

Finding the Fourth Proportional to 1,792,170.40, 2,688,255.60 and 1,779,728.80

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Solution

The fourth proportional to 1,792,170.40, 2,688,255.60 and 1,779,728.80 is: 2,669,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,170.40 : 2,688,255.60 = 1,779,728.80 : x
  2. Step 2: Convert to fraction form
    1,792,170.40/2,688,255.60 = 1,779,728.80/x
  3. Step 3: Cross multiply
    1,792,170.40x = 2,688,255.60 × 1,779,728.80
  4. Step 4: Simplify right side
    1,792,170.40x = 4,784,365,913,081.28
  5. Step 5: Solve for x
    x = 4,784,365,913,081.28/1,792,170.40
  6. Step 6: Final answer
    x = 2,669,593.20

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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.