Home / 1,137,194.72-1,569,281.28-620,907.20

Finding the Fourth Proportional to 1,137,194.72, 1,569,281.28 and 620,907.20

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Solution

The fourth proportional to 1,137,194.72, 1,569,281.28 and 620,907.20 is: 856,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,194.72 : 1,569,281.28 = 620,907.20 : x
  2. Step 2: Convert to fraction form
    1,137,194.72/1,569,281.28 = 620,907.20/x
  3. Step 3: Cross multiply
    1,137,194.72x = 1,569,281.28 × 620,907.20
  4. Step 4: Simplify right side
    1,137,194.72x = 974,378,045,577.22
  5. Step 5: Solve for x
    x = 974,378,045,577.22/1,137,194.72
  6. Step 6: Final answer
    x = 856,826.04

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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.