Home / 859,811.60-1,289,717.40-707,596.40

Finding the Fourth Proportional to 859,811.60, 1,289,717.40 and 707,596.40

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Solution

The fourth proportional to 859,811.60, 1,289,717.40 and 707,596.40 is: 1,061,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,811.60 : 1,289,717.40 = 707,596.40 : x
  2. Step 2: Convert to fraction form
    859,811.60/1,289,717.40 = 707,596.40/x
  3. Step 3: Cross multiply
    859,811.60x = 1,289,717.40 × 707,596.40
  4. Step 4: Simplify right side
    859,811.60x = 912,599,389,257.36
  5. Step 5: Solve for x
    x = 912,599,389,257.36/859,811.60
  6. Step 6: Final answer
    x = 1,061,394.60

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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.