Home / 1,172,558.17-1,759,140.49-686,650.67

Finding the Fourth Proportional to 1,172,558.17, 1,759,140.49 and 686,650.67

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Solution

The fourth proportional to 1,172,558.17, 1,759,140.49 and 686,650.67 is: 1,030,153.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,558.17 : 1,759,140.49 = 686,650.67 : x
  2. Step 2: Convert to fraction form
    1,172,558.17/1,759,140.49 = 686,650.67/x
  3. Step 3: Cross multiply
    1,172,558.17x = 1,759,140.49 × 686,650.67
  4. Step 4: Simplify right side
    1,172,558.17x = 1,207,914,990,068.09
  5. Step 5: Solve for x
    x = 1,207,914,990,068.09/1,172,558.17
  6. Step 6: Final answer
    x = 1,030,153.58

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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.