Home / 1,283,155.86-1,770,569.68-710,194.67

Finding the Fourth Proportional to 1,283,155.86, 1,770,569.68 and 710,194.67

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Solution

The fourth proportional to 1,283,155.86, 1,770,569.68 and 710,194.67 is: 979,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,155.86 : 1,770,569.68 = 710,194.67 : x
  2. Step 2: Convert to fraction form
    1,283,155.86/1,770,569.68 = 710,194.67/x
  3. Step 3: Cross multiply
    1,283,155.86x = 1,770,569.68 × 710,194.67
  4. Step 4: Simplify right side
    1,283,155.86x = 1,257,449,149,599.61
  5. Step 5: Solve for x
    x = 1,257,449,149,599.61/1,283,155.86
  6. Step 6: Final answer
    x = 979,966.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.