Home / 953,429.84-1,315,407.28-545,383.02

Finding the Fourth Proportional to 953,429.84, 1,315,407.28 and 545,383.02

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Solution

The fourth proportional to 953,429.84, 1,315,407.28 and 545,383.02 is: 752,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,429.84 : 1,315,407.28 = 545,383.02 : x
  2. Step 2: Convert to fraction form
    953,429.84/1,315,407.28 = 545,383.02/x
  3. Step 3: Cross multiply
    953,429.84x = 1,315,407.28 × 545,383.02
  4. Step 4: Simplify right side
    953,429.84x = 717,400,794,896.39
  5. Step 5: Solve for x
    x = 717,400,794,896.39/953,429.84
  6. Step 6: Final answer
    x = 752,442.15

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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.