Home / 446,021.60-669,032.40-410,079.20

Finding the Fourth Proportional to 446,021.60, 669,032.40 and 410,079.20

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Solution

The fourth proportional to 446,021.60, 669,032.40 and 410,079.20 is: 615,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,021.60 : 669,032.40 = 410,079.20 : x
  2. Step 2: Convert to fraction form
    446,021.60/669,032.40 = 410,079.20/x
  3. Step 3: Cross multiply
    446,021.60x = 669,032.40 × 410,079.20
  4. Step 4: Simplify right side
    446,021.60x = 274,356,271,366.08
  5. Step 5: Solve for x
    x = 274,356,271,366.08/446,021.60
  6. Step 6: Final answer
    x = 615,118.80

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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.