Home / 1,214,130.69-1,675,513.89-670,266.81

Finding the Fourth Proportional to 1,214,130.69, 1,675,513.89 and 670,266.81

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Solution

The fourth proportional to 1,214,130.69, 1,675,513.89 and 670,266.81 is: 924,975.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,130.69 : 1,675,513.89 = 670,266.81 : x
  2. Step 2: Convert to fraction form
    1,214,130.69/1,675,513.89 = 670,266.81/x
  3. Step 3: Cross multiply
    1,214,130.69x = 1,675,513.89 × 670,266.81
  4. Step 4: Simplify right side
    1,214,130.69x = 1,123,041,350,160.99
  5. Step 5: Solve for x
    x = 1,123,041,350,160.99/1,214,130.69
  6. Step 6: Final answer
    x = 924,975.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.