Home / 756,147.29-1,042,782.26-551,874.60

Finding the Fourth Proportional to 756,147.29, 1,042,782.26 and 551,874.60

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Solution

The fourth proportional to 756,147.29, 1,042,782.26 and 551,874.60 is: 761,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,147.29 : 1,042,782.26 = 551,874.60 : x
  2. Step 2: Convert to fraction form
    756,147.29/1,042,782.26 = 551,874.60/x
  3. Step 3: Cross multiply
    756,147.29x = 1,042,782.26 × 551,874.60
  4. Step 4: Simplify right side
    756,147.29x = 575,485,039,865.22
  5. Step 5: Solve for x
    x = 575,485,039,865.22/756,147.29
  6. Step 6: Final answer
    x = 761,075.32

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1.5x scale

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.