Home / 571,111.80-856,669.62-144,647.46

Finding the Fourth Proportional to 571,111.80, 856,669.62 and 144,647.46

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Solution

The fourth proportional to 571,111.80, 856,669.62 and 144,647.46 is: 216,971.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,111.80 : 856,669.62 = 144,647.46 : x
  2. Step 2: Convert to fraction form
    571,111.80/856,669.62 = 144,647.46/x
  3. Step 3: Cross multiply
    571,111.80x = 856,669.62 × 144,647.46
  4. Step 4: Simplify right side
    571,111.80x = 123,915,084,592.17
  5. Step 5: Solve for x
    x = 123,915,084,592.17/571,111.80
  6. Step 6: Final answer
    x = 216,971.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.