Home / 852,783.02-1,176,809.66-465,591.31

Finding the Fourth Proportional to 852,783.02, 1,176,809.66 and 465,591.31

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Solution

The fourth proportional to 852,783.02, 1,176,809.66 and 465,591.31 is: 642,499.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,783.02 : 1,176,809.66 = 465,591.31 : x
  2. Step 2: Convert to fraction form
    852,783.02/1,176,809.66 = 465,591.31/x
  3. Step 3: Cross multiply
    852,783.02x = 1,176,809.66 × 465,591.31
  4. Step 4: Simplify right side
    852,783.02x = 547,912,348,142.93
  5. Step 5: Solve for x
    x = 547,912,348,142.93/852,783.02
  6. Step 6: Final answer
    x = 642,499.13

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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.