Home / 1,408,084.16-2,111,192.91-509,409

Finding the Fourth Proportional to 1,408,084.16, 2,111,192.91 and 509,409

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Solution

The fourth proportional to 1,408,084.16, 2,111,192.91 and 509,409 is: 763,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,084.16 : 2,111,192.91 = 509,409 : x
  2. Step 2: Convert to fraction form
    1,408,084.16/2,111,192.91 = 509,409/x
  3. Step 3: Cross multiply
    1,408,084.16x = 2,111,192.91 × 509,409
  4. Step 4: Simplify right side
    1,408,084.16x = 1,075,460,669,090.19
  5. Step 5: Solve for x
    x = 1,075,460,669,090.19/1,408,084.16
  6. Step 6: Final answer
    x = 763,775.85

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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.