Home / 939,457.14-1,409,181.91-340,278.06

Finding the Fourth Proportional to 939,457.14, 1,409,181.91 and 340,278.06

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Solution

The fourth proportional to 939,457.14, 1,409,181.91 and 340,278.06 is: 510,415.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,457.14 : 1,409,181.91 = 340,278.06 : x
  2. Step 2: Convert to fraction form
    939,457.14/1,409,181.91 = 340,278.06/x
  3. Step 3: Cross multiply
    939,457.14x = 1,409,181.91 × 340,278.06
  4. Step 4: Simplify right side
    939,457.14x = 479,513,690,955.63
  5. Step 5: Solve for x
    x = 479,513,690,955.63/939,457.14
  6. Step 6: Final answer
    x = 510,415.72

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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.