Home / 537,975.40-806,963.10-477,322.60

Finding the Fourth Proportional to 537,975.40, 806,963.10 and 477,322.60

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Solution

The fourth proportional to 537,975.40, 806,963.10 and 477,322.60 is: 715,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,975.40 : 806,963.10 = 477,322.60 : x
  2. Step 2: Convert to fraction form
    537,975.40/806,963.10 = 477,322.60/x
  3. Step 3: Cross multiply
    537,975.40x = 806,963.10 × 477,322.60
  4. Step 4: Simplify right side
    537,975.40x = 385,181,724,996.06
  5. Step 5: Solve for x
    x = 385,181,724,996.06/537,975.40
  6. Step 6: Final answer
    x = 715,983.90

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1.5x scale

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.