Home / 1,015,732.52-1,401,680.50-556,831.40

Finding the Fourth Proportional to 1,015,732.52, 1,401,680.50 and 556,831.40

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Solution

The fourth proportional to 1,015,732.52, 1,401,680.50 and 556,831.40 is: 768,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,732.52 : 1,401,680.50 = 556,831.40 : x
  2. Step 2: Convert to fraction form
    1,015,732.52/1,401,680.50 = 556,831.40/x
  3. Step 3: Cross multiply
    1,015,732.52x = 1,401,680.50 × 556,831.40
  4. Step 4: Simplify right side
    1,015,732.52x = 780,499,706,767.22
  5. Step 5: Solve for x
    x = 780,499,706,767.22/1,015,732.52
  6. Step 6: Final answer
    x = 768,410.67

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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.