Home / 912,048.76-1,258,578.12-504,126.28

Finding the Fourth Proportional to 912,048.76, 1,258,578.12 and 504,126.28

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Solution

The fourth proportional to 912,048.76, 1,258,578.12 and 504,126.28 is: 695,667.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,048.76 : 1,258,578.12 = 504,126.28 : x
  2. Step 2: Convert to fraction form
    912,048.76/1,258,578.12 = 504,126.28/x
  3. Step 3: Cross multiply
    912,048.76x = 1,258,578.12 × 504,126.28
  4. Step 4: Simplify right side
    912,048.76x = 634,482,305,724.99
  5. Step 5: Solve for x
    x = 634,482,305,724.99/912,048.76
  6. Step 6: Final answer
    x = 695,667.09

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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.