Home / 846,080.08-1,268,488.88-509,041.76

Finding the Fourth Proportional to 846,080.08, 1,268,488.88 and 509,041.76

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Solution

The fourth proportional to 846,080.08, 1,268,488.88 and 509,041.76 is: 763,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,080.08 : 1,268,488.88 = 509,041.76 : x
  2. Step 2: Convert to fraction form
    846,080.08/1,268,488.88 = 509,041.76/x
  3. Step 3: Cross multiply
    846,080.08x = 1,268,488.88 × 509,041.76
  4. Step 4: Simplify right side
    846,080.08x = 645,713,812,015.63
  5. Step 5: Solve for x
    x = 645,713,812,015.63/846,080.08
  6. Step 6: Final answer
    x = 763,182.86

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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.