Home / 845,888.13-1,268,906.72-238,681.76

Finding the Fourth Proportional to 845,888.13, 1,268,906.72 and 238,681.76

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Solution

The fourth proportional to 845,888.13, 1,268,906.72 and 238,681.76 is: 358,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,888.13 : 1,268,906.72 = 238,681.76 : x
  2. Step 2: Convert to fraction form
    845,888.13/1,268,906.72 = 238,681.76/x
  3. Step 3: Cross multiply
    845,888.13x = 1,268,906.72 × 238,681.76
  4. Step 4: Simplify right side
    845,888.13x = 302,864,881,667.49
  5. Step 5: Solve for x
    x = 302,864,881,667.49/845,888.13
  6. Step 6: Final answer
    x = 358,043.66

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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.