Home / 476,160.32-657,109.26-261,320.38

Finding the Fourth Proportional to 476,160.32, 657,109.26 and 261,320.38

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Solution

The fourth proportional to 476,160.32, 657,109.26 and 261,320.38 is: 360,626.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,160.32 : 657,109.26 = 261,320.38 : x
  2. Step 2: Convert to fraction form
    476,160.32/657,109.26 = 261,320.38/x
  3. Step 3: Cross multiply
    476,160.32x = 657,109.26 × 261,320.38
  4. Step 4: Simplify right side
    476,160.32x = 171,716,039,881.95
  5. Step 5: Solve for x
    x = 171,716,039,881.95/476,160.32
  6. Step 6: Final answer
    x = 360,626.52

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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.