Home / 1,217,768.70-1,826,615.40-578,532.60

Finding the Fourth Proportional to 1,217,768.70, 1,826,615.40 and 578,532.60

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Solution

The fourth proportional to 1,217,768.70, 1,826,615.40 and 578,532.60 is: 867,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,768.70 : 1,826,615.40 = 578,532.60 : x
  2. Step 2: Convert to fraction form
    1,217,768.70/1,826,615.40 = 578,532.60/x
  3. Step 3: Cross multiply
    1,217,768.70x = 1,826,615.40 × 578,532.60
  4. Step 4: Simplify right side
    1,217,768.70x = 1,056,756,556,562.04
  5. Step 5: Solve for x
    x = 1,056,756,556,562.04/1,217,768.70
  6. Step 6: Final answer
    x = 867,781.01

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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.