Home / 348,955.54-521,069.47-277,071.59

Finding the Fourth Proportional to 348,955.54, 521,069.47 and 277,071.59

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Solution

The fourth proportional to 348,955.54, 521,069.47 and 277,071.59 is: 413,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,955.54 : 521,069.47 = 277,071.59 : x
  2. Step 2: Convert to fraction form
    348,955.54/521,069.47 = 277,071.59/x
  3. Step 3: Cross multiply
    348,955.54x = 521,069.47 × 277,071.59
  4. Step 4: Simplify right side
    348,955.54x = 144,373,545,790.86
  5. Step 5: Solve for x
    x = 144,373,545,790.86/348,955.54
  6. Step 6: Final answer
    x = 413,730.48

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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.