Home / 578,427.19-867,615.22-157,703.11

Finding the Fourth Proportional to 578,427.19, 867,615.22 and 157,703.11

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Solution

The fourth proportional to 578,427.19, 867,615.22 and 157,703.11 is: 236,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,427.19 : 867,615.22 = 157,703.11 : x
  2. Step 2: Convert to fraction form
    578,427.19/867,615.22 = 157,703.11/x
  3. Step 3: Cross multiply
    578,427.19x = 867,615.22 × 157,703.11
  4. Step 4: Simplify right side
    578,427.19x = 136,825,618,477.33
  5. Step 5: Solve for x
    x = 136,825,618,477.33/578,427.19
  6. Step 6: Final answer
    x = 236,547.69

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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.