Home / 825,796.59-1,139,683.28-486,374.19

Finding the Fourth Proportional to 825,796.59, 1,139,683.28 and 486,374.19

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Solution

The fourth proportional to 825,796.59, 1,139,683.28 and 486,374.19 is: 671,245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,796.59 : 1,139,683.28 = 486,374.19 : x
  2. Step 2: Convert to fraction form
    825,796.59/1,139,683.28 = 486,374.19/x
  3. Step 3: Cross multiply
    825,796.59x = 1,139,683.28 × 486,374.19
  4. Step 4: Simplify right side
    825,796.59x = 554,312,529,734.67
  5. Step 5: Solve for x
    x = 554,312,529,734.67/825,796.59
  6. Step 6: Final answer
    x = 671,245.84

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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.