Home / 972,001.95-1,457,346.83-516,668.55

Finding the Fourth Proportional to 972,001.95, 1,457,346.83 and 516,668.55

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Solution

The fourth proportional to 972,001.95, 1,457,346.83 and 516,668.55 is: 774,654.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,001.95 : 1,457,346.83 = 516,668.55 : x
  2. Step 2: Convert to fraction form
    972,001.95/1,457,346.83 = 516,668.55/x
  3. Step 3: Cross multiply
    972,001.95x = 1,457,346.83 × 516,668.55
  4. Step 4: Simplify right side
    972,001.95x = 752,965,270,919.85
  5. Step 5: Solve for x
    x = 752,965,270,919.85/972,001.95
  6. Step 6: Final answer
    x = 774,654.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.