Home / 1,308,360.56-1,962,539.26-409,872.28

Finding the Fourth Proportional to 1,308,360.56, 1,962,539.26 and 409,872.28

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Solution

The fourth proportional to 1,308,360.56, 1,962,539.26 and 409,872.28 is: 614,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,360.56 : 1,962,539.26 = 409,872.28 : x
  2. Step 2: Convert to fraction form
    1,308,360.56/1,962,539.26 = 409,872.28/x
  3. Step 3: Cross multiply
    1,308,360.56x = 1,962,539.26 × 409,872.28
  4. Step 4: Simplify right side
    1,308,360.56x = 804,390,441,085.71
  5. Step 5: Solve for x
    x = 804,390,441,085.71/1,308,360.56
  6. Step 6: Final answer
    x = 614,807.93

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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.