Home / 640,914.19-961,466.93-236,075.56

Finding the Fourth Proportional to 640,914.19, 961,466.93 and 236,075.56

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Solution

The fourth proportional to 640,914.19, 961,466.93 and 236,075.56 is: 354,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,914.19 : 961,466.93 = 236,075.56 : x
  2. Step 2: Convert to fraction form
    640,914.19/961,466.93 = 236,075.56/x
  3. Step 3: Cross multiply
    640,914.19x = 961,466.93 × 236,075.56
  4. Step 4: Simplify right side
    640,914.19x = 226,978,843,921.23
  5. Step 5: Solve for x
    x = 226,978,843,921.23/640,914.19
  6. Step 6: Final answer
    x = 354,148.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.