Home / 759,307.44-1,047,866.28-419,797.68

Finding the Fourth Proportional to 759,307.44, 1,047,866.28 and 419,797.68

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Solution

The fourth proportional to 759,307.44, 1,047,866.28 and 419,797.68 is: 579,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,307.44 : 1,047,866.28 = 419,797.68 : x
  2. Step 2: Convert to fraction form
    759,307.44/1,047,866.28 = 419,797.68/x
  3. Step 3: Cross multiply
    759,307.44x = 1,047,866.28 × 419,797.68
  4. Step 4: Simplify right side
    759,307.44x = 439,891,833,294.23
  5. Step 5: Solve for x
    x = 439,891,833,294.23/759,307.44
  6. Step 6: Final answer
    x = 579,332.97

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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.