Home / 1,421,637.98-2,132,830.46-510,912.41

Finding the Fourth Proportional to 1,421,637.98, 2,132,830.46 and 510,912.41

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Solution

The fourth proportional to 1,421,637.98, 2,132,830.46 and 510,912.41 is: 766,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,637.98 : 2,132,830.46 = 510,912.41 : x
  2. Step 2: Convert to fraction form
    1,421,637.98/2,132,830.46 = 510,912.41/x
  3. Step 3: Cross multiply
    1,421,637.98x = 2,132,830.46 × 510,912.41
  4. Step 4: Simplify right side
    1,421,637.98x = 1,089,689,550,440.01
  5. Step 5: Solve for x
    x = 1,089,689,550,440.01/1,421,637.98
  6. Step 6: Final answer
    x = 766,502.84

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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.