Home / 997,515.60-1,496,273.40-398,569.20

Finding the Fourth Proportional to 997,515.60, 1,496,273.40 and 398,569.20

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Solution

The fourth proportional to 997,515.60, 1,496,273.40 and 398,569.20 is: 597,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,515.60 : 1,496,273.40 = 398,569.20 : x
  2. Step 2: Convert to fraction form
    997,515.60/1,496,273.40 = 398,569.20/x
  3. Step 3: Cross multiply
    997,515.60x = 1,496,273.40 × 398,569.20
  4. Step 4: Simplify right side
    997,515.60x = 596,368,492,019.28
  5. Step 5: Solve for x
    x = 596,368,492,019.28/997,515.60
  6. Step 6: Final answer
    x = 597,853.80

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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.