Home / 746,139.80-1,028,941.41-473,734.77

Finding the Fourth Proportional to 746,139.80, 1,028,941.41 and 473,734.77

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Solution

The fourth proportional to 746,139.80, 1,028,941.41 and 473,734.77 is: 653,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,139.80 : 1,028,941.41 = 473,734.77 : x
  2. Step 2: Convert to fraction form
    746,139.80/1,028,941.41 = 473,734.77/x
  3. Step 3: Cross multiply
    746,139.80x = 1,028,941.41 × 473,734.77
  4. Step 4: Simplify right side
    746,139.80x = 487,445,322,209.83
  5. Step 5: Solve for x
    x = 487,445,322,209.83/746,139.80
  6. Step 6: Final answer
    x = 653,289.54

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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.