Home / 454,849.71-627,746.81-263,869.53

Finding the Fourth Proportional to 454,849.71, 627,746.81 and 263,869.53

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Solution

The fourth proportional to 454,849.71, 627,746.81 and 263,869.53 is: 364,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,849.71 : 627,746.81 = 263,869.53 : x
  2. Step 2: Convert to fraction form
    454,849.71/627,746.81 = 263,869.53/x
  3. Step 3: Cross multiply
    454,849.71x = 627,746.81 × 263,869.53
  4. Step 4: Simplify right side
    454,849.71x = 165,643,254,394.35
  5. Step 5: Solve for x
    x = 165,643,254,394.35/454,849.71
  6. Step 6: Final answer
    x = 364,171.40

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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.