Home / 899,431.38-1,241,285.85-512,263.12

Finding the Fourth Proportional to 899,431.38, 1,241,285.85 and 512,263.12

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Solution

The fourth proportional to 899,431.38, 1,241,285.85 and 512,263.12 is: 706,963.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,431.38 : 1,241,285.85 = 512,263.12 : x
  2. Step 2: Convert to fraction form
    899,431.38/1,241,285.85 = 512,263.12/x
  3. Step 3: Cross multiply
    899,431.38x = 1,241,285.85 × 512,263.12
  4. Step 4: Simplify right side
    899,431.38x = 635,864,962,332.85
  5. Step 5: Solve for x
    x = 635,864,962,332.85/899,431.38
  6. Step 6: Final answer
    x = 706,963.28

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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.