Home / 774,610.61-1,068,973.76-425,783.32

Finding the Fourth Proportional to 774,610.61, 1,068,973.76 and 425,783.32

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Solution

The fourth proportional to 774,610.61, 1,068,973.76 and 425,783.32 is: 587,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,610.61 : 1,068,973.76 = 425,783.32 : x
  2. Step 2: Convert to fraction form
    774,610.61/1,068,973.76 = 425,783.32/x
  3. Step 3: Cross multiply
    774,610.61x = 1,068,973.76 × 425,783.32
  4. Step 4: Simplify right side
    774,610.61x = 455,151,196,525.68
  5. Step 5: Solve for x
    x = 455,151,196,525.68/774,610.61
  6. Step 6: Final answer
    x = 587,587.09

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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.