Home / 1,607,129.79-2,217,692.52-953,643.20

Finding the Fourth Proportional to 1,607,129.79, 2,217,692.52 and 953,643.20

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Solution

The fourth proportional to 1,607,129.79, 2,217,692.52 and 953,643.20 is: 1,315,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,129.79 : 2,217,692.52 = 953,643.20 : x
  2. Step 2: Convert to fraction form
    1,607,129.79/2,217,692.52 = 953,643.20/x
  3. Step 3: Cross multiply
    1,607,129.79x = 2,217,692.52 × 953,643.20
  4. Step 4: Simplify right side
    1,607,129.79x = 2,114,887,380,300.40
  5. Step 5: Solve for x
    x = 2,114,887,380,300.40/1,607,129.79
  6. Step 6: Final answer
    x = 1,315,940.62

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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.