Home / 280,197.36-417,828.30-277,670.16

Finding the Fourth Proportional to 280,197.36, 417,828.30 and 277,670.16

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Solution

The fourth proportional to 280,197.36, 417,828.30 and 277,670.16 is: 414,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,197.36 : 417,828.30 = 277,670.16 : x
  2. Step 2: Convert to fraction form
    280,197.36/417,828.30 = 277,670.16/x
  3. Step 3: Cross multiply
    280,197.36x = 417,828.30 × 277,670.16
  4. Step 4: Simplify right side
    280,197.36x = 116,018,450,913.53
  5. Step 5: Solve for x
    x = 116,018,450,913.53/280,197.36
  6. Step 6: Final answer
    x = 414,059.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.