Home / 1,087,631.70-1,631,447.55-1,035,143.70

Finding the Fourth Proportional to 1,087,631.70, 1,631,447.55 and 1,035,143.70

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Solution

The fourth proportional to 1,087,631.70, 1,631,447.55 and 1,035,143.70 is: 1,552,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,631.70 : 1,631,447.55 = 1,035,143.70 : x
  2. Step 2: Convert to fraction form
    1,087,631.70/1,631,447.55 = 1,035,143.70/x
  3. Step 3: Cross multiply
    1,087,631.70x = 1,631,447.55 × 1,035,143.70
  4. Step 4: Simplify right side
    1,087,631.70x = 1,688,782,653,262.94
  5. Step 5: Solve for x
    x = 1,688,782,653,262.94/1,087,631.70
  6. Step 6: Final answer
    x = 1,552,715.55

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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.