Home / 898,419.80-1,239,371.89-535,588.00

Finding the Fourth Proportional to 898,419.80, 1,239,371.89 and 535,588.00

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Solution

The fourth proportional to 898,419.80, 1,239,371.89 and 535,588.00 is: 738,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,419.80 : 1,239,371.89 = 535,588.00 : x
  2. Step 2: Convert to fraction form
    898,419.80/1,239,371.89 = 535,588.00/x
  3. Step 3: Cross multiply
    898,419.80x = 1,239,371.89 × 535,588.00
  4. Step 4: Simplify right side
    898,419.80x = 663,792,707,383.92
  5. Step 5: Solve for x
    x = 663,792,707,383.92/898,419.80
  6. Step 6: Final answer
    x = 738,844.70

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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.