Home / 695,071.70-1,040,857.95-457,126.10

Finding the Fourth Proportional to 695,071.70, 1,040,857.95 and 457,126.10

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Solution

The fourth proportional to 695,071.70, 1,040,857.95 and 457,126.10 is: 684,538.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,071.70 : 1,040,857.95 = 457,126.10 : x
  2. Step 2: Convert to fraction form
    695,071.70/1,040,857.95 = 457,126.10/x
  3. Step 3: Cross multiply
    695,071.70x = 1,040,857.95 × 457,126.10
  4. Step 4: Simplify right side
    695,071.70x = 475,803,335,337.50
  5. Step 5: Solve for x
    x = 475,803,335,337.50/695,071.70
  6. Step 6: Final answer
    x = 684,538.49

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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.