Home / 949,400.90-1,424,101.35-576,152.90

Finding the Fourth Proportional to 949,400.90, 1,424,101.35 and 576,152.90

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Solution

The fourth proportional to 949,400.90, 1,424,101.35 and 576,152.90 is: 864,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,400.90 : 1,424,101.35 = 576,152.90 : x
  2. Step 2: Convert to fraction form
    949,400.90/1,424,101.35 = 576,152.90/x
  3. Step 3: Cross multiply
    949,400.90x = 1,424,101.35 × 576,152.90
  4. Step 4: Simplify right side
    949,400.90x = 820,500,122,696.42
  5. Step 5: Solve for x
    x = 820,500,122,696.42/949,400.90
  6. Step 6: Final answer
    x = 864,229.35

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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.