Home / 913,045.37-1,260,406.20-545,652.16

Finding the Fourth Proportional to 913,045.37, 1,260,406.20 and 545,652.16

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Solution

The fourth proportional to 913,045.37, 1,260,406.20 and 545,652.16 is: 753,241.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,045.37 : 1,260,406.20 = 545,652.16 : x
  2. Step 2: Convert to fraction form
    913,045.37/1,260,406.20 = 545,652.16/x
  3. Step 3: Cross multiply
    913,045.37x = 1,260,406.20 × 545,652.16
  4. Step 4: Simplify right side
    913,045.37x = 687,743,365,507.39
  5. Step 5: Solve for x
    x = 687,743,365,507.39/913,045.37
  6. Step 6: Final answer
    x = 753,241.17

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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.