Home / 591,904.80-887,128.20-402,364.80

Finding the Fourth Proportional to 591,904.80, 887,128.20 and 402,364.80

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Solution

The fourth proportional to 591,904.80, 887,128.20 and 402,364.80 is: 603,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,904.80 : 887,128.20 = 402,364.80 : x
  2. Step 2: Convert to fraction form
    591,904.80/887,128.20 = 402,364.80/x
  3. Step 3: Cross multiply
    591,904.80x = 887,128.20 × 402,364.80
  4. Step 4: Simplify right side
    591,904.80x = 356,949,160,767.36
  5. Step 5: Solve for x
    x = 356,949,160,767.36/591,904.80
  6. Step 6: Final answer
    x = 603,051.64

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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.