Home / 1,192,166.49-1,645,200.77-648,307.43

Finding the Fourth Proportional to 1,192,166.49, 1,645,200.77 and 648,307.43

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Solution

The fourth proportional to 1,192,166.49, 1,645,200.77 and 648,307.43 is: 894,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,166.49 : 1,645,200.77 = 648,307.43 : x
  2. Step 2: Convert to fraction form
    1,192,166.49/1,645,200.77 = 648,307.43/x
  3. Step 3: Cross multiply
    1,192,166.49x = 1,645,200.77 × 648,307.43
  4. Step 4: Simplify right side
    1,192,166.49x = 1,066,595,881,381.41
  5. Step 5: Solve for x
    x = 1,066,595,881,381.41/1,192,166.49
  6. Step 6: Final answer
    x = 894,670.24

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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.