Home / 1,406,591.08-2,109,856.86-341,638.12

Finding the Fourth Proportional to 1,406,591.08, 2,109,856.86 and 341,638.12

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Solution

The fourth proportional to 1,406,591.08, 2,109,856.86 and 341,638.12 is: 512,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,591.08 : 2,109,856.86 = 341,638.12 : x
  2. Step 2: Convert to fraction form
    1,406,591.08/2,109,856.86 = 341,638.12/x
  3. Step 3: Cross multiply
    1,406,591.08x = 2,109,856.86 × 341,638.12
  4. Step 4: Simplify right side
    1,406,591.08x = 720,807,531,119.50
  5. Step 5: Solve for x
    x = 720,807,531,119.50/1,406,591.08
  6. Step 6: Final answer
    x = 512,449.95

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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.