Home / 759,506.32-1,048,116.09-419,974.57

Finding the Fourth Proportional to 759,506.32, 1,048,116.09 and 419,974.57

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Solution

The fourth proportional to 759,506.32, 1,048,116.09 and 419,974.57 is: 579,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,506.32 : 1,048,116.09 = 419,974.57 : x
  2. Step 2: Convert to fraction form
    759,506.32/1,048,116.09 = 419,974.57/x
  3. Step 3: Cross multiply
    759,506.32x = 1,048,116.09 × 419,974.57
  4. Step 4: Simplify right side
    759,506.32x = 440,182,101,587.54
  5. Step 5: Solve for x
    x = 440,182,101,587.54/759,506.32
  6. Step 6: Final answer
    x = 579,563.45

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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.