Home / 1,024,069.80-1,536,104.70-687,271.80

Finding the Fourth Proportional to 1,024,069.80, 1,536,104.70 and 687,271.80

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Solution

The fourth proportional to 1,024,069.80, 1,536,104.70 and 687,271.80 is: 1,030,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,069.80 : 1,536,104.70 = 687,271.80 : x
  2. Step 2: Convert to fraction form
    1,024,069.80/1,536,104.70 = 687,271.80/x
  3. Step 3: Cross multiply
    1,024,069.80x = 1,536,104.70 × 687,271.80
  4. Step 4: Simplify right side
    1,024,069.80x = 1,055,721,442,157.46
  5. Step 5: Solve for x
    x = 1,055,721,442,157.46/1,024,069.80
  6. Step 6: Final answer
    x = 1,030,907.70

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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.