Home / 755,832.40-1,043,048.64-416,300.65

Finding the Fourth Proportional to 755,832.40, 1,043,048.64 and 416,300.65

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Solution

The fourth proportional to 755,832.40, 1,043,048.64 and 416,300.65 is: 574,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,832.40 : 1,043,048.64 = 416,300.65 : x
  2. Step 2: Convert to fraction form
    755,832.40/1,043,048.64 = 416,300.65/x
  3. Step 3: Cross multiply
    755,832.40x = 1,043,048.64 × 416,300.65
  4. Step 4: Simplify right side
    755,832.40x = 434,221,826,813.62
  5. Step 5: Solve for x
    x = 434,221,826,813.62/755,832.40
  6. Step 6: Final answer
    x = 574,494.86

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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.