Home / 1,186,134.20-1,779,431.70-512,214.20

Finding the Fourth Proportional to 1,186,134.20, 1,779,431.70 and 512,214.20

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Solution

The fourth proportional to 1,186,134.20, 1,779,431.70 and 512,214.20 is: 768,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,134.20 : 1,779,431.70 = 512,214.20 : x
  2. Step 2: Convert to fraction form
    1,186,134.20/1,779,431.70 = 512,214.20/x
  3. Step 3: Cross multiply
    1,186,134.20x = 1,779,431.70 × 512,214.20
  4. Step 4: Simplify right side
    1,186,134.20x = 911,450,184,670.14
  5. Step 5: Solve for x
    x = 911,450,184,670.14/1,186,134.20
  6. Step 6: Final answer
    x = 768,420.79

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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.