Home / 838,810.09-1,157,571.09-456,836.56

Finding the Fourth Proportional to 838,810.09, 1,157,571.09 and 456,836.56

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Solution

The fourth proportional to 838,810.09, 1,157,571.09 and 456,836.56 is: 630,441.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,810.09 : 1,157,571.09 = 456,836.56 : x
  2. Step 2: Convert to fraction form
    838,810.09/1,157,571.09 = 456,836.56/x
  3. Step 3: Cross multiply
    838,810.09x = 1,157,571.09 × 456,836.56
  4. Step 4: Simplify right side
    838,810.09x = 528,820,794,711.05
  5. Step 5: Solve for x
    x = 528,820,794,711.05/838,810.09
  6. Step 6: Final answer
    x = 630,441.62

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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.