Home / 953,427.84-1,315,404.52-545,381.02

Finding the Fourth Proportional to 953,427.84, 1,315,404.52 and 545,381.02

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Solution

The fourth proportional to 953,427.84, 1,315,404.52 and 545,381.02 is: 752,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,427.84 : 1,315,404.52 = 545,381.02 : x
  2. Step 2: Convert to fraction form
    953,427.84/1,315,404.52 = 545,381.02/x
  3. Step 3: Cross multiply
    953,427.84x = 1,315,404.52 × 545,381.02
  4. Step 4: Simplify right side
    953,427.84x = 717,396,658,830.21
  5. Step 5: Solve for x
    x = 717,396,658,830.21/953,427.84
  6. Step 6: Final answer
    x = 752,439.39

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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.