Home / 450,117.36-621,154.44-248,913.36

Finding the Fourth Proportional to 450,117.36, 621,154.44 and 248,913.36

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Solution

The fourth proportional to 450,117.36, 621,154.44 and 248,913.36 is: 343,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,117.36 : 621,154.44 = 248,913.36 : x
  2. Step 2: Convert to fraction form
    450,117.36/621,154.44 = 248,913.36/x
  3. Step 3: Cross multiply
    450,117.36x = 621,154.44 × 248,913.36
  4. Step 4: Simplify right side
    450,117.36x = 154,613,638,739.32
  5. Step 5: Solve for x
    x = 154,613,638,739.32/450,117.36
  6. Step 6: Final answer
    x = 343,496.28

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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.