Home / 852,539.74-1,176,533.33-465,378.11

Finding the Fourth Proportional to 852,539.74, 1,176,533.33 and 465,378.11

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Solution

The fourth proportional to 852,539.74, 1,176,533.33 and 465,378.11 is: 642,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,539.74 : 1,176,533.33 = 465,378.11 : x
  2. Step 2: Convert to fraction form
    852,539.74/1,176,533.33 = 465,378.11/x
  3. Step 3: Cross multiply
    852,539.74x = 1,176,533.33 × 465,378.11
  4. Step 4: Simplify right side
    852,539.74x = 547,532,857,923.68
  5. Step 5: Solve for x
    x = 547,532,857,923.68/852,539.74
  6. Step 6: Final answer
    x = 642,237.34

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1.5x scale

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.