Home / 662,133.12-913,747.68-360,329.28

Finding the Fourth Proportional to 662,133.12, 913,747.68 and 360,329.28

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Solution

The fourth proportional to 662,133.12, 913,747.68 and 360,329.28 is: 497,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,133.12 : 913,747.68 = 360,329.28 : x
  2. Step 2: Convert to fraction form
    662,133.12/913,747.68 = 360,329.28/x
  3. Step 3: Cross multiply
    662,133.12x = 913,747.68 × 360,329.28
  4. Step 4: Simplify right side
    662,133.12x = 329,250,043,636.07
  5. Step 5: Solve for x
    x = 329,250,043,636.07/662,133.12
  6. Step 6: Final answer
    x = 497,256.57

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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.