Home / 626,220.64-864,186.33-339,743.08

Finding the Fourth Proportional to 626,220.64, 864,186.33 and 339,743.08

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Solution

The fourth proportional to 626,220.64, 864,186.33 and 339,743.08 is: 468,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,220.64 : 864,186.33 = 339,743.08 : x
  2. Step 2: Convert to fraction form
    626,220.64/864,186.33 = 339,743.08/x
  3. Step 3: Cross multiply
    626,220.64x = 864,186.33 × 339,743.08
  4. Step 4: Simplify right side
    626,220.64x = 293,601,325,448.10
  5. Step 5: Solve for x
    x = 293,601,325,448.10/626,220.64
  6. Step 6: Final answer
    x = 468,846.45

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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.