Home / 827,478.64-1,141,912.69-459,946.15

Finding the Fourth Proportional to 827,478.64, 1,141,912.69 and 459,946.15

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Solution

The fourth proportional to 827,478.64, 1,141,912.69 and 459,946.15 is: 634,721.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,478.64 : 1,141,912.69 = 459,946.15 : x
  2. Step 2: Convert to fraction form
    827,478.64/1,141,912.69 = 459,946.15/x
  3. Step 3: Cross multiply
    827,478.64x = 1,141,912.69 × 459,946.15
  4. Step 4: Simplify right side
    827,478.64x = 525,218,341,397.00
  5. Step 5: Solve for x
    x = 525,218,341,397.00/827,478.64
  6. Step 6: Final answer
    x = 634,721.33

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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.