Home / 738,897.70-1,019,657.93-412,220.34

Finding the Fourth Proportional to 738,897.70, 1,019,657.93 and 412,220.34

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Solution

The fourth proportional to 738,897.70, 1,019,657.93 and 412,220.34 is: 568,852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,897.70 : 1,019,657.93 = 412,220.34 : x
  2. Step 2: Convert to fraction form
    738,897.70/1,019,657.93 = 412,220.34/x
  3. Step 3: Cross multiply
    738,897.70x = 1,019,657.93 × 412,220.34
  4. Step 4: Simplify right side
    738,897.70x = 420,323,741,896.74
  5. Step 5: Solve for x
    x = 420,323,741,896.74/738,897.70
  6. Step 6: Final answer
    x = 568,852.42

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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.