Home / 456,821.26-685,228.07-357,065.38

Finding the Fourth Proportional to 456,821.26, 685,228.07 and 357,065.38

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Solution

The fourth proportional to 456,821.26, 685,228.07 and 357,065.38 is: 535,595.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,821.26 : 685,228.07 = 357,065.38 : x
  2. Step 2: Convert to fraction form
    456,821.26/685,228.07 = 357,065.38/x
  3. Step 3: Cross multiply
    456,821.26x = 685,228.07 × 357,065.38
  4. Step 4: Simplify right side
    456,821.26x = 244,671,221,201.22
  5. Step 5: Solve for x
    x = 244,671,221,201.22/456,821.26
  6. Step 6: Final answer
    x = 535,595.08

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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.