Home / 1,309,705.50-1,964,558.70-589,205.55

Finding the Fourth Proportional to 1,309,705.50, 1,964,558.70 and 589,205.55

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Solution

The fourth proportional to 1,309,705.50, 1,964,558.70 and 589,205.55 is: 883,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,705.50 : 1,964,558.70 = 589,205.55 : x
  2. Step 2: Convert to fraction form
    1,309,705.50/1,964,558.70 = 589,205.55/x
  3. Step 3: Cross multiply
    1,309,705.50x = 1,964,558.70 × 589,205.55
  4. Step 4: Simplify right side
    1,309,705.50x = 1,157,528,889,340.79
  5. Step 5: Solve for x
    x = 1,157,528,889,340.79/1,309,705.50
  6. Step 6: Final answer
    x = 883,808.53

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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.