Home / 1,019,626-1,406,509.96-611,619.28

Finding the Fourth Proportional to 1,019,626, 1,406,509.96 and 611,619.28

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Solution

The fourth proportional to 1,019,626, 1,406,509.96 and 611,619.28 is: 843,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,626 : 1,406,509.96 = 611,619.28 : x
  2. Step 2: Convert to fraction form
    1,019,626/1,406,509.96 = 611,619.28/x
  3. Step 3: Cross multiply
    1,019,626x = 1,406,509.96 × 611,619.28
  4. Step 4: Simplify right side
    1,019,626x = 860,248,609,048.03
  5. Step 5: Solve for x
    x = 860,248,609,048.03/1,019,626
  6. Step 6: Final answer
    x = 843,690.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.