Home / 607,516.20-911,274.30-341,285.40

Finding the Fourth Proportional to 607,516.20, 911,274.30 and 341,285.40

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Solution

The fourth proportional to 607,516.20, 911,274.30 and 341,285.40 is: 511,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,516.20 : 911,274.30 = 341,285.40 : x
  2. Step 2: Convert to fraction form
    607,516.20/911,274.30 = 341,285.40/x
  3. Step 3: Cross multiply
    607,516.20x = 911,274.30 × 341,285.40
  4. Step 4: Simplify right side
    607,516.20x = 311,004,613,985.22
  5. Step 5: Solve for x
    x = 311,004,613,985.22/607,516.20
  6. Step 6: Final answer
    x = 511,928.10

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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.