Home / 841,042.84-1,261,097.54-279,771.16

Finding the Fourth Proportional to 841,042.84, 1,261,097.54 and 279,771.16

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Solution

The fourth proportional to 841,042.84, 1,261,097.54 and 279,771.16 is: 419,501.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,042.84 : 1,261,097.54 = 279,771.16 : x
  2. Step 2: Convert to fraction form
    841,042.84/1,261,097.54 = 279,771.16/x
  3. Step 3: Cross multiply
    841,042.84x = 1,261,097.54 × 279,771.16
  4. Step 4: Simplify right side
    841,042.84x = 352,818,721,638.95
  5. Step 5: Solve for x
    x = 352,818,721,638.95/841,042.84
  6. Step 6: Final answer
    x = 419,501.49

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1.5x scale

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.