Home / 401,736.19-554,430.38-220,483.16

Finding the Fourth Proportional to 401,736.19, 554,430.38 and 220,483.16

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Solution

The fourth proportional to 401,736.19, 554,430.38 and 220,483.16 is: 304,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,736.19 : 554,430.38 = 220,483.16 : x
  2. Step 2: Convert to fraction form
    401,736.19/554,430.38 = 220,483.16/x
  3. Step 3: Cross multiply
    401,736.19x = 554,430.38 × 220,483.16
  4. Step 4: Simplify right side
    401,736.19x = 122,242,562,666.72
  5. Step 5: Solve for x
    x = 122,242,562,666.72/401,736.19
  6. Step 6: Final answer
    x = 304,285.66

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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.