Home / 1,283,801.36-1,925,889.84-385,314.16

Finding the Fourth Proportional to 1,283,801.36, 1,925,889.84 and 385,314.16

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Solution

The fourth proportional to 1,283,801.36, 1,925,889.84 and 385,314.16 is: 578,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,801.36 : 1,925,889.84 = 385,314.16 : x
  2. Step 2: Convert to fraction form
    1,283,801.36/1,925,889.84 = 385,314.16/x
  3. Step 3: Cross multiply
    1,283,801.36x = 1,925,889.84 × 385,314.16
  4. Step 4: Simplify right side
    1,283,801.36x = 742,072,625,952.13
  5. Step 5: Solve for x
    x = 742,072,625,952.13/1,283,801.36
  6. Step 6: Final answer
    x = 578,027.61

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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.