Home / 825,459.76-1,139,297.85-535,430.75

Finding the Fourth Proportional to 825,459.76, 1,139,297.85 and 535,430.75

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Solution

The fourth proportional to 825,459.76, 1,139,297.85 and 535,430.75 is: 739,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,459.76 : 1,139,297.85 = 535,430.75 : x
  2. Step 2: Convert to fraction form
    825,459.76/1,139,297.85 = 535,430.75/x
  3. Step 3: Cross multiply
    825,459.76x = 1,139,297.85 × 535,430.75
  4. Step 4: Simplify right side
    825,459.76x = 610,015,099,621.73
  5. Step 5: Solve for x
    x = 610,015,099,621.73/825,459.76
  6. Step 6: Final answer
    x = 739,000.41

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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.