Home / 1,554,167.20-2,330,559.60-712,976.80

Finding the Fourth Proportional to 1,554,167.20, 2,330,559.60 and 712,976.80

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Solution

The fourth proportional to 1,554,167.20, 2,330,559.60 and 712,976.80 is: 1,069,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,167.20 : 2,330,559.60 = 712,976.80 : x
  2. Step 2: Convert to fraction form
    1,554,167.20/2,330,559.60 = 712,976.80/x
  3. Step 3: Cross multiply
    1,554,167.20x = 2,330,559.60 × 712,976.80
  4. Step 4: Simplify right side
    1,554,167.20x = 1,661,634,925,817.28
  5. Step 5: Solve for x
    x = 1,661,634,925,817.28/1,554,167.20
  6. Step 6: Final answer
    x = 1,069,148.11

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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.