Home / 1,111,247-1,533,209.76-697,828.36

Finding the Fourth Proportional to 1,111,247, 1,533,209.76 and 697,828.36

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Solution

The fourth proportional to 1,111,247, 1,533,209.76 and 697,828.36 is: 962,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,247 : 1,533,209.76 = 697,828.36 : x
  2. Step 2: Convert to fraction form
    1,111,247/1,533,209.76 = 697,828.36/x
  3. Step 3: Cross multiply
    1,111,247x = 1,533,209.76 × 697,828.36
  4. Step 4: Simplify right side
    1,111,247x = 1,069,917,252,356.79
  5. Step 5: Solve for x
    x = 1,069,917,252,356.79/1,111,247
  6. Step 6: Final answer
    x = 962,807.78

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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.