Home / 804,453.93-1,109,236.65-513,683.16

Finding the Fourth Proportional to 804,453.93, 1,109,236.65 and 513,683.16

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Solution

The fourth proportional to 804,453.93, 1,109,236.65 and 513,683.16 is: 708,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,453.93 : 1,109,236.65 = 513,683.16 : x
  2. Step 2: Convert to fraction form
    804,453.93/1,109,236.65 = 513,683.16/x
  3. Step 3: Cross multiply
    804,453.93x = 1,109,236.65 × 513,683.16
  4. Step 4: Simplify right side
    804,453.93x = 569,796,187,559.81
  5. Step 5: Solve for x
    x = 569,796,187,559.81/804,453.93
  6. Step 6: Final answer
    x = 708,301.83

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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.