Home / 499,582.40-749,373.60-144,632.30

Finding the Fourth Proportional to 499,582.40, 749,373.60 and 144,632.30

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Solution

The fourth proportional to 499,582.40, 749,373.60 and 144,632.30 is: 216,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,582.40 : 749,373.60 = 144,632.30 : x
  2. Step 2: Convert to fraction form
    499,582.40/749,373.60 = 144,632.30/x
  3. Step 3: Cross multiply
    499,582.40x = 749,373.60 × 144,632.30
  4. Step 4: Simplify right side
    499,582.40x = 108,383,627,327.28
  5. Step 5: Solve for x
    x = 108,383,627,327.28/499,582.40
  6. Step 6: Final answer
    x = 216,948.45

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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.