Home / 970,515.60-1,455,773.40-339,363.60

Finding the Fourth Proportional to 970,515.60, 1,455,773.40 and 339,363.60

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Solution

The fourth proportional to 970,515.60, 1,455,773.40 and 339,363.60 is: 509,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,515.60 : 1,455,773.40 = 339,363.60 : x
  2. Step 2: Convert to fraction form
    970,515.60/1,455,773.40 = 339,363.60/x
  3. Step 3: Cross multiply
    970,515.60x = 1,455,773.40 × 339,363.60
  4. Step 4: Simplify right side
    970,515.60x = 494,036,501,808.24
  5. Step 5: Solve for x
    x = 494,036,501,808.24/970,515.60
  6. Step 6: Final answer
    x = 509,045.40

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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.