Home / 872,797.36-1,204,441.47-505,290.07

Finding the Fourth Proportional to 872,797.36, 1,204,441.47 and 505,290.07

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Solution

The fourth proportional to 872,797.36, 1,204,441.47 and 505,290.07 is: 697,289.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,797.36 : 1,204,441.47 = 505,290.07 : x
  2. Step 2: Convert to fraction form
    872,797.36/1,204,441.47 = 505,290.07/x
  3. Step 3: Cross multiply
    872,797.36x = 1,204,441.47 × 505,290.07
  4. Step 4: Simplify right side
    872,797.36x = 608,592,319,580.25
  5. Step 5: Solve for x
    x = 608,592,319,580.25/872,797.36
  6. Step 6: Final answer
    x = 697,289.37

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Double scale
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1.5x scale

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.