Home / 314,922.80-472,384.20-302,675.60

Finding the Fourth Proportional to 314,922.80, 472,384.20 and 302,675.60

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Solution

The fourth proportional to 314,922.80, 472,384.20 and 302,675.60 is: 454,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,922.80 : 472,384.20 = 302,675.60 : x
  2. Step 2: Convert to fraction form
    314,922.80/472,384.20 = 302,675.60/x
  3. Step 3: Cross multiply
    314,922.80x = 472,384.20 × 302,675.60
  4. Step 4: Simplify right side
    314,922.80x = 142,979,171,165.52
  5. Step 5: Solve for x
    x = 142,979,171,165.52/314,922.80
  6. Step 6: Final answer
    x = 454,013.40

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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.