Home / 476,449.36-657,501.44-261,603.34

Finding the Fourth Proportional to 476,449.36, 657,501.44 and 261,603.34

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Solution

The fourth proportional to 476,449.36, 657,501.44 and 261,603.34 is: 361,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,449.36 : 657,501.44 = 261,603.34 : x
  2. Step 2: Convert to fraction form
    476,449.36/657,501.44 = 261,603.34/x
  3. Step 3: Cross multiply
    476,449.36x = 657,501.44 × 261,603.34
  4. Step 4: Simplify right side
    476,449.36x = 172,004,569,807.04
  5. Step 5: Solve for x
    x = 172,004,569,807.04/476,449.36
  6. Step 6: Final answer
    x = 361,013.33

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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.