Home / 1,259,200.10-1,888,800.15-1,064,338.40

Finding the Fourth Proportional to 1,259,200.10, 1,888,800.15 and 1,064,338.40

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Solution

The fourth proportional to 1,259,200.10, 1,888,800.15 and 1,064,338.40 is: 1,596,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,200.10 : 1,888,800.15 = 1,064,338.40 : x
  2. Step 2: Convert to fraction form
    1,259,200.10/1,888,800.15 = 1,064,338.40/x
  3. Step 3: Cross multiply
    1,259,200.10x = 1,888,800.15 × 1,064,338.40
  4. Step 4: Simplify right side
    1,259,200.10x = 2,010,322,529,570.76
  5. Step 5: Solve for x
    x = 2,010,322,529,570.76/1,259,200.10
  6. Step 6: Final answer
    x = 1,596,507.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.