Home / 953,053.03-1,315,207.24-545,161.68

Finding the Fourth Proportional to 953,053.03, 1,315,207.24 and 545,161.68

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Solution

The fourth proportional to 953,053.03, 1,315,207.24 and 545,161.68 is: 752,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,053.03 : 1,315,207.24 = 545,161.68 : x
  2. Step 2: Convert to fraction form
    953,053.03/1,315,207.24 = 545,161.68/x
  3. Step 3: Cross multiply
    953,053.03x = 1,315,207.24 × 545,161.68
  4. Step 4: Simplify right side
    953,053.03x = 717,000,588,506.56
  5. Step 5: Solve for x
    x = 717,000,588,506.56/953,053.03
  6. Step 6: Final answer
    x = 752,319.72

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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.