Home / 1,223,675.81-1,688,720.19-837,301.25

Finding the Fourth Proportional to 1,223,675.81, 1,688,720.19 and 837,301.25

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Solution

The fourth proportional to 1,223,675.81, 1,688,720.19 and 837,301.25 is: 1,155,508.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,675.81 : 1,688,720.19 = 837,301.25 : x
  2. Step 2: Convert to fraction form
    1,223,675.81/1,688,720.19 = 837,301.25/x
  3. Step 3: Cross multiply
    1,223,675.81x = 1,688,720.19 × 837,301.25
  4. Step 4: Simplify right side
    1,223,675.81x = 1,413,967,530,209.04
  5. Step 5: Solve for x
    x = 1,413,967,530,209.04/1,223,675.81
  6. Step 6: Final answer
    x = 1,155,508.28

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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.