Home / 972,688.52-1,342,133.20-683,184.67

Finding the Fourth Proportional to 972,688.52, 1,342,133.20 and 683,184.67

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Solution

The fourth proportional to 972,688.52, 1,342,133.20 and 683,184.67 is: 942,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,688.52 : 1,342,133.20 = 683,184.67 : x
  2. Step 2: Convert to fraction form
    972,688.52/1,342,133.20 = 683,184.67/x
  3. Step 3: Cross multiply
    972,688.52x = 1,342,133.20 × 683,184.67
  4. Step 4: Simplify right side
    972,688.52x = 916,924,820,993.78
  5. Step 5: Solve for x
    x = 916,924,820,993.78/972,688.52
  6. Step 6: Final answer
    x = 942,670.55

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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.