Home / 953,455.14-1,315,446.88-539,935.30

Finding the Fourth Proportional to 953,455.14, 1,315,446.88 and 539,935.30

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Solution

The fourth proportional to 953,455.14, 1,315,446.88 and 539,935.30 is: 744,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,455.14 : 1,315,446.88 = 539,935.30 : x
  2. Step 2: Convert to fraction form
    953,455.14/1,315,446.88 = 539,935.30/x
  3. Step 3: Cross multiply
    953,455.14x = 1,315,446.88 × 539,935.30
  4. Step 4: Simplify right side
    953,455.14x = 710,256,205,786.86
  5. Step 5: Solve for x
    x = 710,256,205,786.86/953,455.14
  6. Step 6: Final answer
    x = 744,928.81

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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.