Home / 1,678,370.31-2,314,318.16-1,133,560.22

Finding the Fourth Proportional to 1,678,370.31, 2,314,318.16 and 1,133,560.22

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Solution

The fourth proportional to 1,678,370.31, 2,314,318.16 and 1,133,560.22 is: 1,563,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,370.31 : 2,314,318.16 = 1,133,560.22 : x
  2. Step 2: Convert to fraction form
    1,678,370.31/2,314,318.16 = 1,133,560.22/x
  3. Step 3: Cross multiply
    1,678,370.31x = 2,314,318.16 × 1,133,560.22
  4. Step 4: Simplify right side
    1,678,370.31x = 2,623,418,985,360.20
  5. Step 5: Solve for x
    x = 2,623,418,985,360.20/1,678,370.31
  6. Step 6: Final answer
    x = 1,563,075.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.