Home / 897,661.36-1,238,620.44-535,078.72

Finding the Fourth Proportional to 897,661.36, 1,238,620.44 and 535,078.72

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Solution

The fourth proportional to 897,661.36, 1,238,620.44 and 535,078.72 is: 738,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,661.36 : 1,238,620.44 = 535,078.72 : x
  2. Step 2: Convert to fraction form
    897,661.36/1,238,620.44 = 535,078.72/x
  3. Step 3: Cross multiply
    897,661.36x = 1,238,620.44 × 535,078.72
  4. Step 4: Simplify right side
    897,661.36x = 662,759,439,601.04
  5. Step 5: Solve for x
    x = 662,759,439,601.04/897,661.36
  6. Step 6: Final answer
    x = 738,317.89

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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.