Home / 1,004,110.53-1,385,326.16-641,746.50

Finding the Fourth Proportional to 1,004,110.53, 1,385,326.16 and 641,746.50

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Solution

The fourth proportional to 1,004,110.53, 1,385,326.16 and 641,746.50 is: 885,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,110.53 : 1,385,326.16 = 641,746.50 : x
  2. Step 2: Convert to fraction form
    1,004,110.53/1,385,326.16 = 641,746.50/x
  3. Step 3: Cross multiply
    1,004,110.53x = 1,385,326.16 × 641,746.50
  4. Step 4: Simplify right side
    1,004,110.53x = 889,028,208,541.28
  5. Step 5: Solve for x
    x = 889,028,208,541.28/1,004,110.53
  6. Step 6: Final answer
    x = 885,388.79

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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.