Home / 909,303-1,255,268.55-527,190.36

Finding the Fourth Proportional to 909,303, 1,255,268.55 and 527,190.36

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Solution

The fourth proportional to 909,303, 1,255,268.55 and 527,190.36 is: 727,772.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,303 : 1,255,268.55 = 527,190.36 : x
  2. Step 2: Convert to fraction form
    909,303/1,255,268.55 = 527,190.36/x
  3. Step 3: Cross multiply
    909,303x = 1,255,268.55 × 527,190.36
  4. Step 4: Simplify right side
    909,303x = 661,765,478,771.18
  5. Step 5: Solve for x
    x = 661,765,478,771.18/909,303
  6. Step 6: Final answer
    x = 727,772.24

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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.