Home / 1,560,411.57-2,153,354.63-872,112.45

Finding the Fourth Proportional to 1,560,411.57, 2,153,354.63 and 872,112.45

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Solution

The fourth proportional to 1,560,411.57, 2,153,354.63 and 872,112.45 is: 1,203,507.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,411.57 : 2,153,354.63 = 872,112.45 : x
  2. Step 2: Convert to fraction form
    1,560,411.57/2,153,354.63 = 872,112.45/x
  3. Step 3: Cross multiply
    1,560,411.57x = 2,153,354.63 × 872,112.45
  4. Step 4: Simplify right side
    1,560,411.57x = 1,877,967,382,088.14
  5. Step 5: Solve for x
    x = 1,877,967,382,088.14/1,560,411.57
  6. Step 6: Final answer
    x = 1,203,507.73

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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.