Home / 698,971.20-1,049,234.40-384,043.20

Finding the Fourth Proportional to 698,971.20, 1,049,234.40 and 384,043.20

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Solution

The fourth proportional to 698,971.20, 1,049,234.40 and 384,043.20 is: 576,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,971.20 : 1,049,234.40 = 384,043.20 : x
  2. Step 2: Convert to fraction form
    698,971.20/1,049,234.40 = 384,043.20/x
  3. Step 3: Cross multiply
    698,971.20x = 1,049,234.40 × 384,043.20
  4. Step 4: Simplify right side
    698,971.20x = 402,951,336,526.08
  5. Step 5: Solve for x
    x = 402,951,336,526.08/698,971.20
  6. Step 6: Final answer
    x = 576,492.05

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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.