Home / 825,897.26-1,139,746.00-463,328.90

Finding the Fourth Proportional to 825,897.26, 1,139,746.00 and 463,328.90

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Solution

The fourth proportional to 825,897.26, 1,139,746.00 and 463,328.90 is: 639,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,897.26 : 1,139,746.00 = 463,328.90 : x
  2. Step 2: Convert to fraction form
    825,897.26/1,139,746.00 = 463,328.90/x
  3. Step 3: Cross multiply
    825,897.26x = 1,139,746.00 × 463,328.90
  4. Step 4: Simplify right side
    825,897.26x = 528,077,260,647.56
  5. Step 5: Solve for x
    x = 528,077,260,647.56/825,897.26
  6. Step 6: Final answer
    x = 639,398.25

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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.