Home / 673,459.20-929,395.35-383,063.33

Finding the Fourth Proportional to 673,459.20, 929,395.35 and 383,063.33

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Solution

The fourth proportional to 673,459.20, 929,395.35 and 383,063.33 is: 528,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,459.20 : 929,395.35 = 383,063.33 : x
  2. Step 2: Convert to fraction form
    673,459.20/929,395.35 = 383,063.33/x
  3. Step 3: Cross multiply
    673,459.20x = 929,395.35 × 383,063.33
  4. Step 4: Simplify right side
    673,459.20x = 356,017,279,981.00
  5. Step 5: Solve for x
    x = 356,017,279,981.00/673,459.20
  6. Step 6: Final answer
    x = 528,639.72

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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.