Home / 953,505.59-1,315,287.92-571,310.93

Finding the Fourth Proportional to 953,505.59, 1,315,287.92 and 571,310.93

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Solution

The fourth proportional to 953,505.59, 1,315,287.92 and 571,310.93 is: 788,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,505.59 : 1,315,287.92 = 571,310.93 : x
  2. Step 2: Convert to fraction form
    953,505.59/1,315,287.92 = 571,310.93/x
  3. Step 3: Cross multiply
    953,505.59x = 1,315,287.92 × 571,310.93
  4. Step 4: Simplify right side
    953,505.59x = 751,438,355,359.97
  5. Step 5: Solve for x
    x = 751,438,355,359.97/953,505.59
  6. Step 6: Final answer
    x = 788,079.66

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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.