Home / 693,028.40-1,039,542.60-506,404.40

Finding the Fourth Proportional to 693,028.40, 1,039,542.60 and 506,404.40

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Solution

The fourth proportional to 693,028.40, 1,039,542.60 and 506,404.40 is: 759,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,028.40 : 1,039,542.60 = 506,404.40 : x
  2. Step 2: Convert to fraction form
    693,028.40/1,039,542.60 = 506,404.40/x
  3. Step 3: Cross multiply
    693,028.40x = 1,039,542.60 × 506,404.40
  4. Step 4: Simplify right side
    693,028.40x = 526,428,946,627.44
  5. Step 5: Solve for x
    x = 526,428,946,627.44/693,028.40
  6. Step 6: Final answer
    x = 759,606.60

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Double scale
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Similar ratio
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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.