Home / 953,560.84-1,430,339.88-243,589.12

Finding the Fourth Proportional to 953,560.84, 1,430,339.88 and 243,589.12

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Solution

The fourth proportional to 953,560.84, 1,430,339.88 and 243,589.12 is: 365,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,560.84 : 1,430,339.88 = 243,589.12 : x
  2. Step 2: Convert to fraction form
    953,560.84/1,430,339.88 = 243,589.12/x
  3. Step 3: Cross multiply
    953,560.84x = 1,430,339.88 × 243,589.12
  4. Step 4: Simplify right side
    953,560.84x = 348,415,232,670.11
  5. Step 5: Solve for x
    x = 348,415,232,670.11/953,560.84
  6. Step 6: Final answer
    x = 365,383.33

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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.