Home / 1,089,052.35-1,502,672.00-636,255.87

Finding the Fourth Proportional to 1,089,052.35, 1,502,672.00 and 636,255.87

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Solution

The fourth proportional to 1,089,052.35, 1,502,672.00 and 636,255.87 is: 877,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,052.35 : 1,502,672.00 = 636,255.87 : x
  2. Step 2: Convert to fraction form
    1,089,052.35/1,502,672.00 = 636,255.87/x
  3. Step 3: Cross multiply
    1,089,052.35x = 1,502,672.00 × 636,255.87
  4. Step 4: Simplify right side
    1,089,052.35x = 956,083,869,990.00
  5. Step 5: Solve for x
    x = 956,083,869,990.00/1,089,052.35
  6. Step 6: Final answer
    x = 877,904.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.