Home / 735,825.63-1,015,716.87-430,001.64

Finding the Fourth Proportional to 735,825.63, 1,015,716.87 and 430,001.64

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Solution

The fourth proportional to 735,825.63, 1,015,716.87 and 430,001.64 is: 593,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,825.63 : 1,015,716.87 = 430,001.64 : x
  2. Step 2: Convert to fraction form
    735,825.63/1,015,716.87 = 430,001.64/x
  3. Step 3: Cross multiply
    735,825.63x = 1,015,716.87 × 430,001.64
  4. Step 4: Simplify right side
    735,825.63x = 436,759,919,875.67
  5. Step 5: Solve for x
    x = 436,759,919,875.67/735,825.63
  6. Step 6: Final answer
    x = 593,564.43

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1.5x scale

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.