Home / 767,298.96-1,058,849.74-423,134.86

Finding the Fourth Proportional to 767,298.96, 1,058,849.74 and 423,134.86

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Solution

The fourth proportional to 767,298.96, 1,058,849.74 and 423,134.86 is: 583,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,298.96 : 1,058,849.74 = 423,134.86 : x
  2. Step 2: Convert to fraction form
    767,298.96/1,058,849.74 = 423,134.86/x
  3. Step 3: Cross multiply
    767,298.96x = 1,058,849.74 × 423,134.86
  4. Step 4: Simplify right side
    767,298.96x = 448,036,236,495.94
  5. Step 5: Solve for x
    x = 448,036,236,495.94/767,298.96
  6. Step 6: Final answer
    x = 583,913.52

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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.