Home / 827,466.50-1,141,918.89-459,978.14

Finding the Fourth Proportional to 827,466.50, 1,141,918.89 and 459,978.14

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Solution

The fourth proportional to 827,466.50, 1,141,918.89 and 459,978.14 is: 634,778.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,466.50 : 1,141,918.89 = 459,978.14 : x
  2. Step 2: Convert to fraction form
    827,466.50/1,141,918.89 = 459,978.14/x
  3. Step 3: Cross multiply
    827,466.50x = 1,141,918.89 × 459,978.14
  4. Step 4: Simplify right side
    827,466.50x = 525,257,727,053.07
  5. Step 5: Solve for x
    x = 525,257,727,053.07/827,466.50
  6. Step 6: Final answer
    x = 634,778.24

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1.5x scale

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.