Home / 679,326.33-1,018,988.85-173,886.51

Finding the Fourth Proportional to 679,326.33, 1,018,988.85 and 173,886.51

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Solution

The fourth proportional to 679,326.33, 1,018,988.85 and 173,886.51 is: 260,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,326.33 : 1,018,988.85 = 173,886.51 : x
  2. Step 2: Convert to fraction form
    679,326.33/1,018,988.85 = 173,886.51/x
  3. Step 3: Cross multiply
    679,326.33x = 1,018,988.85 × 173,886.51
  4. Step 4: Simplify right side
    679,326.33x = 177,188,414,855.41
  5. Step 5: Solve for x
    x = 177,188,414,855.41/679,326.33
  6. Step 6: Final answer
    x = 260,829.60

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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.