Home / 1,015,811.61-1,401,835.85-556,968.07

Finding the Fourth Proportional to 1,015,811.61, 1,401,835.85 and 556,968.07

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Solution

The fourth proportional to 1,015,811.61, 1,401,835.85 and 556,968.07 is: 768,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,811.61 : 1,401,835.85 = 556,968.07 : x
  2. Step 2: Convert to fraction form
    1,015,811.61/1,401,835.85 = 556,968.07/x
  3. Step 3: Cross multiply
    1,015,811.61x = 1,401,835.85 × 556,968.07
  4. Step 4: Simplify right side
    1,015,811.61x = 780,777,807,831.31
  5. Step 5: Solve for x
    x = 780,777,807,831.31/1,015,811.61
  6. Step 6: Final answer
    x = 768,624.62

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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.