Home / 1,123,972.50-1,686,166.68-355,663.65

Finding the Fourth Proportional to 1,123,972.50, 1,686,166.68 and 355,663.65

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Solution

The fourth proportional to 1,123,972.50, 1,686,166.68 and 355,663.65 is: 533,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,972.50 : 1,686,166.68 = 355,663.65 : x
  2. Step 2: Convert to fraction form
    1,123,972.50/1,686,166.68 = 355,663.65/x
  3. Step 3: Cross multiply
    1,123,972.50x = 1,686,166.68 × 355,663.65
  4. Step 4: Simplify right side
    1,123,972.50x = 599,708,195,917.18
  5. Step 5: Solve for x
    x = 599,708,195,917.18/1,123,972.50
  6. Step 6: Final answer
    x = 533,561.27

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1.5x scale

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.