Home / 943,859.16-1,302,518.94-514,139.28

Finding the Fourth Proportional to 943,859.16, 1,302,518.94 and 514,139.28

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Solution

The fourth proportional to 943,859.16, 1,302,518.94 and 514,139.28 is: 709,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,859.16 : 1,302,518.94 = 514,139.28 : x
  2. Step 2: Convert to fraction form
    943,859.16/1,302,518.94 = 514,139.28/x
  3. Step 3: Cross multiply
    943,859.16x = 1,302,518.94 × 514,139.28
  4. Step 4: Simplify right side
    943,859.16x = 669,676,149,997.96
  5. Step 5: Solve for x
    x = 669,676,149,997.96/943,859.16
  6. Step 6: Final answer
    x = 709,508.56

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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.