Home / 752,493.85-1,038,145.87-430,030.94

Finding the Fourth Proportional to 752,493.85, 1,038,145.87 and 430,030.94

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Solution

The fourth proportional to 752,493.85, 1,038,145.87 and 430,030.94 is: 593,273.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,493.85 : 1,038,145.87 = 430,030.94 : x
  2. Step 2: Convert to fraction form
    752,493.85/1,038,145.87 = 430,030.94/x
  3. Step 3: Cross multiply
    752,493.85x = 1,038,145.87 × 430,030.94
  4. Step 4: Simplify right side
    752,493.85x = 446,434,844,333.22
  5. Step 5: Solve for x
    x = 446,434,844,333.22/752,493.85
  6. Step 6: Final answer
    x = 593,273.74

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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.