Home / 545,962.49-753,433.74-300,955.97

Finding the Fourth Proportional to 545,962.49, 753,433.74 and 300,955.97

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Solution

The fourth proportional to 545,962.49, 753,433.74 and 300,955.97 is: 415,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,962.49 : 753,433.74 = 300,955.97 : x
  2. Step 2: Convert to fraction form
    545,962.49/753,433.74 = 300,955.97/x
  3. Step 3: Cross multiply
    545,962.49x = 753,433.74 × 300,955.97
  4. Step 4: Simplify right side
    545,962.49x = 226,750,378,285.26
  5. Step 5: Solve for x
    x = 226,750,378,285.26/545,962.49
  6. Step 6: Final answer
    x = 415,322.27

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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.