Home / 1,642,868.70-2,461,653.45-930,779.10

Finding the Fourth Proportional to 1,642,868.70, 2,461,653.45 and 930,779.10

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Solution

The fourth proportional to 1,642,868.70, 2,461,653.45 and 930,779.10 is: 1,394,667.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,868.70 : 2,461,653.45 = 930,779.10 : x
  2. Step 2: Convert to fraction form
    1,642,868.70/2,461,653.45 = 930,779.10/x
  3. Step 3: Cross multiply
    1,642,868.70x = 2,461,653.45 × 930,779.10
  4. Step 4: Simplify right side
    1,642,868.70x = 2,291,255,582,702.90
  5. Step 5: Solve for x
    x = 2,291,255,582,702.90/1,642,868.70
  6. Step 6: Final answer
    x = 1,394,667.50

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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.