Home / 1,309,685.72-1,964,529.05-589,185.86

Finding the Fourth Proportional to 1,309,685.72, 1,964,529.05 and 589,185.86

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Solution

The fourth proportional to 1,309,685.72, 1,964,529.05 and 589,185.86 is: 883,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,685.72 : 1,964,529.05 = 589,185.86 : x
  2. Step 2: Convert to fraction form
    1,309,685.72/1,964,529.05 = 589,185.86/x
  3. Step 3: Cross multiply
    1,309,685.72x = 1,964,529.05 × 589,185.86
  4. Step 4: Simplify right side
    1,309,685.72x = 1,157,472,725,050.66
  5. Step 5: Solve for x
    x = 1,157,472,725,050.66/1,309,685.72
  6. Step 6: Final answer
    x = 883,779.00

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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.