Home / 725,313.69-1,000,677.12-414,989.63

Finding the Fourth Proportional to 725,313.69, 1,000,677.12 and 414,989.63

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Solution

The fourth proportional to 725,313.69, 1,000,677.12 and 414,989.63 is: 572,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,313.69 : 1,000,677.12 = 414,989.63 : x
  2. Step 2: Convert to fraction form
    725,313.69/1,000,677.12 = 414,989.63/x
  3. Step 3: Cross multiply
    725,313.69x = 1,000,677.12 × 414,989.63
  4. Step 4: Simplify right side
    725,313.69x = 415,270,622,774.88
  5. Step 5: Solve for x
    x = 415,270,622,774.88/725,313.69
  6. Step 6: Final answer
    x = 572,539.34

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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.