Home / 1,309,705-1,964,557.95-589,205.05

Finding the Fourth Proportional to 1,309,705, 1,964,557.95 and 589,205.05

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Solution

The fourth proportional to 1,309,705, 1,964,557.95 and 589,205.05 is: 883,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,705 : 1,964,557.95 = 589,205.05 : x
  2. Step 2: Convert to fraction form
    1,309,705/1,964,557.95 = 589,205.05/x
  3. Step 3: Cross multiply
    1,309,705x = 1,964,557.95 × 589,205.05
  4. Step 4: Simplify right side
    1,309,705x = 1,157,527,465,157.65
  5. Step 5: Solve for x
    x = 1,157,527,465,157.65/1,309,705
  6. Step 6: Final answer
    x = 883,807.78

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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.