Home / 957,193.47-1,320,935.72-527,489.01

Finding the Fourth Proportional to 957,193.47, 1,320,935.72 and 527,489.01

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Solution

The fourth proportional to 957,193.47, 1,320,935.72 and 527,489.01 is: 727,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,193.47 : 1,320,935.72 = 527,489.01 : x
  2. Step 2: Convert to fraction form
    957,193.47/1,320,935.72 = 527,489.01/x
  3. Step 3: Cross multiply
    957,193.47x = 1,320,935.72 × 527,489.01
  4. Step 4: Simplify right side
    957,193.47x = 696,779,072,578.99
  5. Step 5: Solve for x
    x = 696,779,072,578.99/957,193.47
  6. Step 6: Final answer
    x = 727,939.64

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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.