Home / 763,599.50-1,145,648.37-364,188.39

Finding the Fourth Proportional to 763,599.50, 1,145,648.37 and 364,188.39

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Solution

The fourth proportional to 763,599.50, 1,145,648.37 and 364,188.39 is: 546,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,599.50 : 1,145,648.37 = 364,188.39 : x
  2. Step 2: Convert to fraction form
    763,599.50/1,145,648.37 = 364,188.39/x
  3. Step 3: Cross multiply
    763,599.50x = 1,145,648.37 × 364,188.39
  4. Step 4: Simplify right side
    763,599.50x = 417,231,835,376.42
  5. Step 5: Solve for x
    x = 417,231,835,376.42/763,599.50
  6. Step 6: Final answer
    x = 546,401.40

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Half scale
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Double scale
Find fourth proportional to 763,600.50, 1,145,649.87 and 364,189.39
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.