Home / 1,305,900.78-1,958,457.51-464,401.50

Finding the Fourth Proportional to 1,305,900.78, 1,958,457.51 and 464,401.50

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Solution

The fourth proportional to 1,305,900.78, 1,958,457.51 and 464,401.50 is: 696,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,900.78 : 1,958,457.51 = 464,401.50 : x
  2. Step 2: Convert to fraction form
    1,305,900.78/1,958,457.51 = 464,401.50/x
  3. Step 3: Cross multiply
    1,305,900.78x = 1,958,457.51 × 464,401.50
  4. Step 4: Simplify right side
    1,305,900.78x = 909,510,605,330.27
  5. Step 5: Solve for x
    x = 909,510,605,330.27/1,305,900.78
  6. Step 6: Final answer
    x = 696,462.26

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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.