Home / 638,360.52-881,017.26-366,513.54

Finding the Fourth Proportional to 638,360.52, 881,017.26 and 366,513.54

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Solution

The fourth proportional to 638,360.52, 881,017.26 and 366,513.54 is: 505,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,360.52 : 881,017.26 = 366,513.54 : x
  2. Step 2: Convert to fraction form
    638,360.52/881,017.26 = 366,513.54/x
  3. Step 3: Cross multiply
    638,360.52x = 881,017.26 × 366,513.54
  4. Step 4: Simplify right side
    638,360.52x = 322,904,754,763.70
  5. Step 5: Solve for x
    x = 322,904,754,763.70/638,360.52
  6. Step 6: Final answer
    x = 505,834.47

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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.