Home / 1,314,113.84-1,971,186.54-515,771.36

Finding the Fourth Proportional to 1,314,113.84, 1,971,186.54 and 515,771.36

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Solution

The fourth proportional to 1,314,113.84, 1,971,186.54 and 515,771.36 is: 773,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,113.84 : 1,971,186.54 = 515,771.36 : x
  2. Step 2: Convert to fraction form
    1,314,113.84/1,971,186.54 = 515,771.36/x
  3. Step 3: Cross multiply
    1,314,113.84x = 1,971,186.54 × 515,771.36
  4. Step 4: Simplify right side
    1,314,113.84x = 1,016,681,562,549.49
  5. Step 5: Solve for x
    x = 1,016,681,562,549.49/1,314,113.84
  6. Step 6: Final answer
    x = 773,663.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.