Home / 746,638.60-1,119,666.70-325,627.40

Finding the Fourth Proportional to 746,638.60, 1,119,666.70 and 325,627.40

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Solution

The fourth proportional to 746,638.60, 1,119,666.70 and 325,627.40 is: 488,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,638.60 : 1,119,666.70 = 325,627.40 : x
  2. Step 2: Convert to fraction form
    746,638.60/1,119,666.70 = 325,627.40/x
  3. Step 3: Cross multiply
    746,638.60x = 1,119,666.70 × 325,627.40
  4. Step 4: Simplify right side
    746,638.60x = 364,594,156,387.58
  5. Step 5: Solve for x
    x = 364,594,156,387.58/746,638.60
  6. Step 6: Final answer
    x = 488,314.10

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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.