Home / 756,454.80-1,043,913.96-416,923.92

Finding the Fourth Proportional to 756,454.80, 1,043,913.96 and 416,923.92

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Solution

The fourth proportional to 756,454.80, 1,043,913.96 and 416,923.92 is: 575,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,454.80 : 1,043,913.96 = 416,923.92 : x
  2. Step 2: Convert to fraction form
    756,454.80/1,043,913.96 = 416,923.92/x
  3. Step 3: Cross multiply
    756,454.80x = 1,043,913.96 × 416,923.92
  4. Step 4: Simplify right side
    756,454.80x = 435,232,700,345.92
  5. Step 5: Solve for x
    x = 435,232,700,345.92/756,454.80
  6. Step 6: Final answer
    x = 575,358.50

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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.