Home / 1,217,747.70-1,826,621.55-657,875.70

Finding the Fourth Proportional to 1,217,747.70, 1,826,621.55 and 657,875.70

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Solution

The fourth proportional to 1,217,747.70, 1,826,621.55 and 657,875.70 is: 986,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,747.70 : 1,826,621.55 = 657,875.70 : x
  2. Step 2: Convert to fraction form
    1,217,747.70/1,826,621.55 = 657,875.70/x
  3. Step 3: Cross multiply
    1,217,747.70x = 1,826,621.55 × 657,875.70
  4. Step 4: Simplify right side
    1,217,747.70x = 1,201,689,930,841.34
  5. Step 5: Solve for x
    x = 1,201,689,930,841.34/1,217,747.70
  6. Step 6: Final answer
    x = 986,813.55

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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.