Home / 1,393,017.04-2,089,526.02-919,591.68

Finding the Fourth Proportional to 1,393,017.04, 2,089,526.02 and 919,591.68

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Solution

The fourth proportional to 1,393,017.04, 2,089,526.02 and 919,591.68 is: 1,379,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,017.04 : 2,089,526.02 = 919,591.68 : x
  2. Step 2: Convert to fraction form
    1,393,017.04/2,089,526.02 = 919,591.68/x
  3. Step 3: Cross multiply
    1,393,017.04x = 2,089,526.02 × 919,591.68
  4. Step 4: Simplify right side
    1,393,017.04x = 1,921,510,748,672.26
  5. Step 5: Solve for x
    x = 1,921,510,748,672.26/1,393,017.04
  6. Step 6: Final answer
    x = 1,379,387.83

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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.