Home / 805,801.56-1,112,386.44-511,599.04

Finding the Fourth Proportional to 805,801.56, 1,112,386.44 and 511,599.04

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Solution

The fourth proportional to 805,801.56, 1,112,386.44 and 511,599.04 is: 706,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,801.56 : 1,112,386.44 = 511,599.04 : x
  2. Step 2: Convert to fraction form
    805,801.56/1,112,386.44 = 511,599.04/x
  3. Step 3: Cross multiply
    805,801.56x = 1,112,386.44 × 511,599.04
  4. Step 4: Simplify right side
    805,801.56x = 569,095,834,813.02
  5. Step 5: Solve for x
    x = 569,095,834,813.02/805,801.56
  6. Step 6: Final answer
    x = 706,248.12

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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.