Home / 953,136.56-1,315,289.06-517,536.89

Finding the Fourth Proportional to 953,136.56, 1,315,289.06 and 517,536.89

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Solution

The fourth proportional to 953,136.56, 1,315,289.06 and 517,536.89 is: 714,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,136.56 : 1,315,289.06 = 517,536.89 : x
  2. Step 2: Convert to fraction form
    953,136.56/1,315,289.06 = 517,536.89/x
  3. Step 3: Cross multiply
    953,136.56x = 1,315,289.06 × 517,536.89
  4. Step 4: Simplify right side
    953,136.56x = 680,710,600,399.29
  5. Step 5: Solve for x
    x = 680,710,600,399.29/953,136.56
  6. Step 6: Final answer
    x = 714,179.51

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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.