Home / 762,678.58-1,052,989.46-472,597.96

Finding the Fourth Proportional to 762,678.58, 1,052,989.46 and 472,597.96

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Solution

The fourth proportional to 762,678.58, 1,052,989.46 and 472,597.96 is: 652,490.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,678.58 : 1,052,989.46 = 472,597.96 : x
  2. Step 2: Convert to fraction form
    762,678.58/1,052,989.46 = 472,597.96/x
  3. Step 3: Cross multiply
    762,678.58x = 1,052,989.46 × 472,597.96
  4. Step 4: Simplify right side
    762,678.58x = 497,640,670,697.50
  5. Step 5: Solve for x
    x = 497,640,670,697.50/762,678.58
  6. Step 6: Final answer
    x = 652,490.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.