Home / 455,629.26-623,304.06-453,710.19

Finding the Fourth Proportional to 455,629.26, 623,304.06 and 453,710.19

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Solution

The fourth proportional to 455,629.26, 623,304.06 and 453,710.19 is: 620,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,629.26 : 623,304.06 = 453,710.19 : x
  2. Step 2: Convert to fraction form
    455,629.26/623,304.06 = 453,710.19/x
  3. Step 3: Cross multiply
    455,629.26x = 623,304.06 × 453,710.19
  4. Step 4: Simplify right side
    455,629.26x = 282,799,403,490.37
  5. Step 5: Solve for x
    x = 282,799,403,490.37/455,629.26
  6. Step 6: Final answer
    x = 620,678.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.