Home / 829,611.70-1,144,782.29-462,076.51

Finding the Fourth Proportional to 829,611.70, 1,144,782.29 and 462,076.51

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Solution

The fourth proportional to 829,611.70, 1,144,782.29 and 462,076.51 is: 637,619.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,611.70 : 1,144,782.29 = 462,076.51 : x
  2. Step 2: Convert to fraction form
    829,611.70/1,144,782.29 = 462,076.51/x
  3. Step 3: Cross multiply
    829,611.70x = 1,144,782.29 × 462,076.51
  4. Step 4: Simplify right side
    829,611.70x = 528,977,005,273.01
  5. Step 5: Solve for x
    x = 528,977,005,273.01/829,611.70
  6. Step 6: Final answer
    x = 637,619.99

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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.