Home / 1,147,576.68-1,583,633.76-631,300.40

Finding the Fourth Proportional to 1,147,576.68, 1,583,633.76 and 631,300.40

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Solution

The fourth proportional to 1,147,576.68, 1,583,633.76 and 631,300.40 is: 871,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,576.68 : 1,583,633.76 = 631,300.40 : x
  2. Step 2: Convert to fraction form
    1,147,576.68/1,583,633.76 = 631,300.40/x
  3. Step 3: Cross multiply
    1,147,576.68x = 1,583,633.76 × 631,300.40
  4. Step 4: Simplify right side
    1,147,576.68x = 999,748,618,223.34
  5. Step 5: Solve for x
    x = 999,748,618,223.34/1,147,576.68
  6. Step 6: Final answer
    x = 871,182.41

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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.