Home / 678,484.69-1,018,193.59-235,252.69

Finding the Fourth Proportional to 678,484.69, 1,018,193.59 and 235,252.69

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Solution

The fourth proportional to 678,484.69, 1,018,193.59 and 235,252.69 is: 353,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,484.69 : 1,018,193.59 = 235,252.69 : x
  2. Step 2: Convert to fraction form
    678,484.69/1,018,193.59 = 235,252.69/x
  3. Step 3: Cross multiply
    678,484.69x = 1,018,193.59 × 235,252.69
  4. Step 4: Simplify right side
    678,484.69x = 239,532,778,736.84
  5. Step 5: Solve for x
    x = 239,532,778,736.84/678,484.69
  6. Step 6: Final answer
    x = 353,040.80

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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.