Home / 1,657,913.20-2,485,026.60-711,122.80

Finding the Fourth Proportional to 1,657,913.20, 2,485,026.60 and 711,122.80

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Solution

The fourth proportional to 1,657,913.20, 2,485,026.60 and 711,122.80 is: 1,065,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,913.20 : 2,485,026.60 = 711,122.80 : x
  2. Step 2: Convert to fraction form
    1,657,913.20/2,485,026.60 = 711,122.80/x
  3. Step 3: Cross multiply
    1,657,913.20x = 2,485,026.60 × 711,122.80
  4. Step 4: Simplify right side
    1,657,913.20x = 1,767,159,073,866.48
  5. Step 5: Solve for x
    x = 1,767,159,073,866.48/1,657,913.20
  6. Step 6: Final answer
    x = 1,065,893.60

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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.