Home / 445,827.60-668,741.40-293,612.40

Finding the Fourth Proportional to 445,827.60, 668,741.40 and 293,612.40

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Solution

The fourth proportional to 445,827.60, 668,741.40 and 293,612.40 is: 440,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,827.60 : 668,741.40 = 293,612.40 : x
  2. Step 2: Convert to fraction form
    445,827.60/668,741.40 = 293,612.40/x
  3. Step 3: Cross multiply
    445,827.60x = 668,741.40 × 293,612.40
  4. Step 4: Simplify right side
    445,827.60x = 196,350,767,433.36
  5. Step 5: Solve for x
    x = 196,350,767,433.36/445,827.60
  6. Step 6: Final answer
    x = 440,418.60

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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.