Home / 841,100.36-1,161,135.06-535,480.52

Finding the Fourth Proportional to 841,100.36, 1,161,135.06 and 535,480.52

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Solution

The fourth proportional to 841,100.36, 1,161,135.06 and 535,480.52 is: 739,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,100.36 : 1,161,135.06 = 535,480.52 : x
  2. Step 2: Convert to fraction form
    841,100.36/1,161,135.06 = 535,480.52/x
  3. Step 3: Cross multiply
    841,100.36x = 1,161,135.06 × 535,480.52
  4. Step 4: Simplify right side
    841,100.36x = 621,765,205,719.03
  5. Step 5: Solve for x
    x = 621,765,205,719.03/841,100.36
  6. Step 6: Final answer
    x = 739,228.32

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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.