Home / 743,886.92-1,115,935.46-238,329.64

Finding the Fourth Proportional to 743,886.92, 1,115,935.46 and 238,329.64

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Solution

The fourth proportional to 743,886.92, 1,115,935.46 and 238,329.64 is: 357,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,886.92 : 1,115,935.46 = 238,329.64 : x
  2. Step 2: Convert to fraction form
    743,886.92/1,115,935.46 = 238,329.64/x
  3. Step 3: Cross multiply
    743,886.92x = 1,115,935.46 × 238,329.64
  4. Step 4: Simplify right side
    743,886.92x = 265,960,496,445.03
  5. Step 5: Solve for x
    x = 265,960,496,445.03/743,886.92
  6. Step 6: Final answer
    x = 357,528.13

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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.