Home / 957,139.74-1,320,857.28-527,410.98

Finding the Fourth Proportional to 957,139.74, 1,320,857.28 and 527,410.98

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Solution

The fourth proportional to 957,139.74, 1,320,857.28 and 527,410.98 is: 727,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,139.74 : 1,320,857.28 = 527,410.98 : x
  2. Step 2: Convert to fraction form
    957,139.74/1,320,857.28 = 527,410.98/x
  3. Step 3: Cross multiply
    957,139.74x = 1,320,857.28 × 527,410.98
  4. Step 4: Simplify right side
    957,139.74x = 696,634,632,484.94
  5. Step 5: Solve for x
    x = 696,634,632,484.94/957,139.74
  6. Step 6: Final answer
    x = 727,829.60

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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.