Home / 446,913.40-670,370.10-397,924.60

Finding the Fourth Proportional to 446,913.40, 670,370.10 and 397,924.60

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Solution

The fourth proportional to 446,913.40, 670,370.10 and 397,924.60 is: 596,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,913.40 : 670,370.10 = 397,924.60 : x
  2. Step 2: Convert to fraction form
    446,913.40/670,370.10 = 397,924.60/x
  3. Step 3: Cross multiply
    446,913.40x = 670,370.10 × 397,924.60
  4. Step 4: Simplify right side
    446,913.40x = 266,756,753,894.46
  5. Step 5: Solve for x
    x = 266,756,753,894.46/446,913.40
  6. Step 6: Final answer
    x = 596,886.90

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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.