Home / 1,174,071.15-1,619,502.05-776,248.22

Finding the Fourth Proportional to 1,174,071.15, 1,619,502.05 and 776,248.22

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Solution

The fourth proportional to 1,174,071.15, 1,619,502.05 and 776,248.22 is: 1,070,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,071.15 : 1,619,502.05 = 776,248.22 : x
  2. Step 2: Convert to fraction form
    1,174,071.15/1,619,502.05 = 776,248.22/x
  3. Step 3: Cross multiply
    1,174,071.15x = 1,619,502.05 × 776,248.22
  4. Step 4: Simplify right side
    1,174,071.15x = 1,257,135,589,588.23
  5. Step 5: Solve for x
    x = 1,257,135,589,588.23/1,174,071.15
  6. Step 6: Final answer
    x = 1,070,749.07

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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.