Home / 1,705,271.40-2,555,685.74-693,211.19

Finding the Fourth Proportional to 1,705,271.40, 2,555,685.74 and 693,211.19

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Solution

The fourth proportional to 1,705,271.40, 2,555,685.74 and 693,211.19 is: 1,038,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,271.40 : 2,555,685.74 = 693,211.19 : x
  2. Step 2: Convert to fraction form
    1,705,271.40/2,555,685.74 = 693,211.19/x
  3. Step 3: Cross multiply
    1,705,271.40x = 2,555,685.74 × 693,211.19
  4. Step 4: Simplify right side
    1,705,271.40x = 1,771,629,942,046.03
  5. Step 5: Solve for x
    x = 1,771,629,942,046.03/1,705,271.40
  6. Step 6: Final answer
    x = 1,038,913.77

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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.