Home / 819,026.24-1,130,257.09-456,441.89

Finding the Fourth Proportional to 819,026.24, 1,130,257.09 and 456,441.89

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Solution

The fourth proportional to 819,026.24, 1,130,257.09 and 456,441.89 is: 629,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,026.24 : 1,130,257.09 = 456,441.89 : x
  2. Step 2: Convert to fraction form
    819,026.24/1,130,257.09 = 456,441.89/x
  3. Step 3: Cross multiply
    819,026.24x = 1,130,257.09 × 456,441.89
  4. Step 4: Simplify right side
    819,026.24x = 515,896,677,264.77
  5. Step 5: Solve for x
    x = 515,896,677,264.77/819,026.24
  6. Step 6: Final answer
    x = 629,890.30

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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.