Home / 347,669.60-521,504.40-277,685.60

Finding the Fourth Proportional to 347,669.60, 521,504.40 and 277,685.60

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Solution

The fourth proportional to 347,669.60, 521,504.40 and 277,685.60 is: 416,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,669.60 : 521,504.40 = 277,685.60 : x
  2. Step 2: Convert to fraction form
    347,669.60/521,504.40 = 277,685.60/x
  3. Step 3: Cross multiply
    347,669.60x = 521,504.40 × 277,685.60
  4. Step 4: Simplify right side
    347,669.60x = 144,814,262,216.64
  5. Step 5: Solve for x
    x = 144,814,262,216.64/347,669.60
  6. Step 6: Final answer
    x = 416,528.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.