Home / 302,601.12-416,688-295,887.52

Finding the Fourth Proportional to 302,601.12, 416,688 and 295,887.52

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Solution

The fourth proportional to 302,601.12, 416,688 and 295,887.52 is: 407,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,601.12 : 416,688 = 295,887.52 : x
  2. Step 2: Convert to fraction form
    302,601.12/416,688 = 295,887.52/x
  3. Step 3: Cross multiply
    302,601.12x = 416,688 × 295,887.52
  4. Step 4: Simplify right side
    302,601.12x = 123,292,778,933.76
  5. Step 5: Solve for x
    x = 123,292,778,933.76/302,601.12
  6. Step 6: Final answer
    x = 407,443.23

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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.