Home / 556,035.10-767,259.75-394,831.33

Finding the Fourth Proportional to 556,035.10, 767,259.75 and 394,831.33

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Solution

The fourth proportional to 556,035.10, 767,259.75 and 394,831.33 is: 544,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,035.10 : 767,259.75 = 394,831.33 : x
  2. Step 2: Convert to fraction form
    556,035.10/767,259.75 = 394,831.33/x
  3. Step 3: Cross multiply
    556,035.10x = 767,259.75 × 394,831.33
  4. Step 4: Simplify right side
    556,035.10x = 302,938,187,547.97
  5. Step 5: Solve for x
    x = 302,938,187,547.97/556,035.10
  6. Step 6: Final answer
    x = 544,818.46

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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.