Home / 738,195.60-1,107,293.40-631,907.40

Finding the Fourth Proportional to 738,195.60, 1,107,293.40 and 631,907.40

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Solution

The fourth proportional to 738,195.60, 1,107,293.40 and 631,907.40 is: 947,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,195.60 : 1,107,293.40 = 631,907.40 : x
  2. Step 2: Convert to fraction form
    738,195.60/1,107,293.40 = 631,907.40/x
  3. Step 3: Cross multiply
    738,195.60x = 1,107,293.40 × 631,907.40
  4. Step 4: Simplify right side
    738,195.60x = 699,706,893,431.16
  5. Step 5: Solve for x
    x = 699,706,893,431.16/738,195.60
  6. Step 6: Final answer
    x = 947,861.10

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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.