Home / 859,054.74-1,185,522.66-514,777.20

Finding the Fourth Proportional to 859,054.74, 1,185,522.66 and 514,777.20

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Solution

The fourth proportional to 859,054.74, 1,185,522.66 and 514,777.20 is: 710,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,054.74 : 1,185,522.66 = 514,777.20 : x
  2. Step 2: Convert to fraction form
    859,054.74/1,185,522.66 = 514,777.20/x
  3. Step 3: Cross multiply
    859,054.74x = 1,185,522.66 × 514,777.20
  4. Step 4: Simplify right side
    859,054.74x = 610,280,035,451.35
  5. Step 5: Solve for x
    x = 610,280,035,451.35/859,054.74
  6. Step 6: Final answer
    x = 710,408.79

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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.