Home / 757,703.43-1,045,628.60-418,169.25

Finding the Fourth Proportional to 757,703.43, 1,045,628.60 and 418,169.25

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Solution

The fourth proportional to 757,703.43, 1,045,628.60 and 418,169.25 is: 577,072.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,703.43 : 1,045,628.60 = 418,169.25 : x
  2. Step 2: Convert to fraction form
    757,703.43/1,045,628.60 = 418,169.25/x
  3. Step 3: Cross multiply
    757,703.43x = 1,045,628.60 × 418,169.25
  4. Step 4: Simplify right side
    757,703.43x = 437,249,725,349.70
  5. Step 5: Solve for x
    x = 437,249,725,349.70/757,703.43
  6. Step 6: Final answer
    x = 577,072.38

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Double scale
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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.