Home / 774,593.82-1,068,918.09-430,420.86

Finding the Fourth Proportional to 774,593.82, 1,068,918.09 and 430,420.86

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Solution

The fourth proportional to 774,593.82, 1,068,918.09 and 430,420.86 is: 593,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,593.82 : 1,068,918.09 = 430,420.86 : x
  2. Step 2: Convert to fraction form
    774,593.82/1,068,918.09 = 430,420.86/x
  3. Step 3: Cross multiply
    774,593.82x = 1,068,918.09 × 430,420.86
  4. Step 4: Simplify right side
    774,593.82x = 460,084,643,567.36
  5. Step 5: Solve for x
    x = 460,084,643,567.36/774,593.82
  6. Step 6: Final answer
    x = 593,968.91

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1.5x scale

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.