Home / 556,035.35-767,260.09-394,831.58

Finding the Fourth Proportional to 556,035.35, 767,260.09 and 394,831.58

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Solution

The fourth proportional to 556,035.35, 767,260.09 and 394,831.58 is: 544,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,035.35 : 767,260.09 = 394,831.58 : x
  2. Step 2: Convert to fraction form
    556,035.35/767,260.09 = 394,831.58/x
  3. Step 3: Cross multiply
    556,035.35x = 767,260.09 × 394,831.58
  4. Step 4: Simplify right side
    556,035.35x = 302,938,513,605.64
  5. Step 5: Solve for x
    x = 302,938,513,605.64/556,035.35
  6. Step 6: Final answer
    x = 544,818.80

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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.