Home / 1,308,228.66-1,962,343.02-409,740.71

Finding the Fourth Proportional to 1,308,228.66, 1,962,343.02 and 409,740.71

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Solution

The fourth proportional to 1,308,228.66, 1,962,343.02 and 409,740.71 is: 614,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,228.66 : 1,962,343.02 = 409,740.71 : x
  2. Step 2: Convert to fraction form
    1,308,228.66/1,962,343.02 = 409,740.71/x
  3. Step 3: Cross multiply
    1,308,228.66x = 1,962,343.02 × 409,740.71
  4. Step 4: Simplify right side
    1,308,228.66x = 804,051,812,466.63
  5. Step 5: Solve for x
    x = 804,051,812,466.63/1,308,228.66
  6. Step 6: Final answer
    x = 614,611.07

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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.