Home / 905,642.01-1,249,265.55-565,519.77

Finding the Fourth Proportional to 905,642.01, 1,249,265.55 and 565,519.77

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Solution

The fourth proportional to 905,642.01, 1,249,265.55 and 565,519.77 is: 780,092.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,642.01 : 1,249,265.55 = 565,519.77 : x
  2. Step 2: Convert to fraction form
    905,642.01/1,249,265.55 = 565,519.77/x
  3. Step 3: Cross multiply
    905,642.01x = 1,249,265.55 × 565,519.77
  4. Step 4: Simplify right side
    905,642.01x = 706,484,366,504.92
  5. Step 5: Solve for x
    x = 706,484,366,504.92/905,642.01
  6. Step 6: Final answer
    x = 780,092.31

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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.