Home / 1,133,125.38-1,563,708.78-623,828.16

Finding the Fourth Proportional to 1,133,125.38, 1,563,708.78 and 623,828.16

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Solution

The fourth proportional to 1,133,125.38, 1,563,708.78 and 623,828.16 is: 860,880.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,125.38 : 1,563,708.78 = 623,828.16 : x
  2. Step 2: Convert to fraction form
    1,133,125.38/1,563,708.78 = 623,828.16/x
  3. Step 3: Cross multiply
    1,133,125.38x = 1,563,708.78 × 623,828.16
  4. Step 4: Simplify right side
    1,133,125.38x = 975,485,571,003.25
  5. Step 5: Solve for x
    x = 975,485,571,003.25/1,133,125.38
  6. Step 6: Final answer
    x = 860,880.52

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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.