Home / 1,656,808.40-2,485,212.60-859,646.90

Finding the Fourth Proportional to 1,656,808.40, 2,485,212.60 and 859,646.90

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Solution

The fourth proportional to 1,656,808.40, 2,485,212.60 and 859,646.90 is: 1,289,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,808.40 : 2,485,212.60 = 859,646.90 : x
  2. Step 2: Convert to fraction form
    1,656,808.40/2,485,212.60 = 859,646.90/x
  3. Step 3: Cross multiply
    1,656,808.40x = 2,485,212.60 × 859,646.90
  4. Step 4: Simplify right side
    1,656,808.40x = 2,136,405,307,430.94
  5. Step 5: Solve for x
    x = 2,136,405,307,430.94/1,656,808.40
  6. Step 6: Final answer
    x = 1,289,470.35

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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.