Home / 1,259,205.60-1,888,808.40-1,064,343.90

Finding the Fourth Proportional to 1,259,205.60, 1,888,808.40 and 1,064,343.90

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Solution

The fourth proportional to 1,259,205.60, 1,888,808.40 and 1,064,343.90 is: 1,596,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,205.60 : 1,888,808.40 = 1,064,343.90 : x
  2. Step 2: Convert to fraction form
    1,259,205.60/1,888,808.40 = 1,064,343.90/x
  3. Step 3: Cross multiply
    1,259,205.60x = 1,888,808.40 × 1,064,343.90
  4. Step 4: Simplify right side
    1,259,205.60x = 2,010,341,698,808.76
  5. Step 5: Solve for x
    x = 2,010,341,698,808.76/1,259,205.60
  6. Step 6: Final answer
    x = 1,596,515.85

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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.