Home / 730,807.26-1,008,536.36-408,530.94

Finding the Fourth Proportional to 730,807.26, 1,008,536.36 and 408,530.94

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Solution

The fourth proportional to 730,807.26, 1,008,536.36 and 408,530.94 is: 563,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,807.26 : 1,008,536.36 = 408,530.94 : x
  2. Step 2: Convert to fraction form
    730,807.26/1,008,536.36 = 408,530.94/x
  3. Step 3: Cross multiply
    730,807.26x = 1,008,536.36 × 408,530.94
  4. Step 4: Simplify right side
    730,807.26x = 412,018,307,174.98
  5. Step 5: Solve for x
    x = 412,018,307,174.98/730,807.26
  6. Step 6: Final answer
    x = 563,785.19

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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.