Home / 669,513.06-1,003,003.02-519,015.87

Finding the Fourth Proportional to 669,513.06, 1,003,003.02 and 519,015.87

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Solution

The fourth proportional to 669,513.06, 1,003,003.02 and 519,015.87 is: 777,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,513.06 : 1,003,003.02 = 519,015.87 : x
  2. Step 2: Convert to fraction form
    669,513.06/1,003,003.02 = 519,015.87/x
  3. Step 3: Cross multiply
    669,513.06x = 1,003,003.02 × 519,015.87
  4. Step 4: Simplify right side
    669,513.06x = 520,574,485,037.93
  5. Step 5: Solve for x
    x = 520,574,485,037.93/669,513.06
  6. Step 6: Final answer
    x = 777,541.94

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.