Home / 912,296.85-1,258,918.79-504,374.91

Finding the Fourth Proportional to 912,296.85, 1,258,918.79 and 504,374.91

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Solution

The fourth proportional to 912,296.85, 1,258,918.79 and 504,374.91 is: 696,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,296.85 : 1,258,918.79 = 504,374.91 : x
  2. Step 2: Convert to fraction form
    912,296.85/1,258,918.79 = 504,374.91/x
  3. Step 3: Cross multiply
    912,296.85x = 1,258,918.79 × 504,374.91
  4. Step 4: Simplify right side
    912,296.85x = 634,967,048,881.68
  5. Step 5: Solve for x
    x = 634,967,048,881.68/912,296.85
  6. Step 6: Final answer
    x = 696,009.25

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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.