Home / 679,152.82-1,018,718.74-173,709.33

Finding the Fourth Proportional to 679,152.82, 1,018,718.74 and 173,709.33

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Solution

The fourth proportional to 679,152.82, 1,018,718.74 and 173,709.33 is: 260,561.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,152.82 : 1,018,718.74 = 173,709.33 : x
  2. Step 2: Convert to fraction form
    679,152.82/1,018,718.74 = 173,709.33/x
  3. Step 3: Cross multiply
    679,152.82x = 1,018,718.74 × 173,709.33
  4. Step 4: Simplify right side
    679,152.82x = 176,960,949,783.84
  5. Step 5: Solve for x
    x = 176,960,949,783.84/679,152.82
  6. Step 6: Final answer
    x = 260,561.31

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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.