Home / 825,460.76-1,139,299.23-535,431.75

Finding the Fourth Proportional to 825,460.76, 1,139,299.23 and 535,431.75

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Solution

The fourth proportional to 825,460.76, 1,139,299.23 and 535,431.75 is: 739,001.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,460.76 : 1,139,299.23 = 535,431.75 : x
  2. Step 2: Convert to fraction form
    825,460.76/1,139,299.23 = 535,431.75/x
  3. Step 3: Cross multiply
    825,460.76x = 1,139,299.23 × 535,431.75
  4. Step 4: Simplify right side
    825,460.76x = 610,016,980,492.55
  5. Step 5: Solve for x
    x = 610,016,980,492.55/825,460.76
  6. Step 6: Final answer
    x = 739,001.79

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Double scale
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1.5x scale

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.