Home / 1,042,403.54-1,438,519.65-565,475.54

Finding the Fourth Proportional to 1,042,403.54, 1,438,519.65 and 565,475.54

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Solution

The fourth proportional to 1,042,403.54, 1,438,519.65 and 565,475.54 is: 780,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,403.54 : 1,438,519.65 = 565,475.54 : x
  2. Step 2: Convert to fraction form
    1,042,403.54/1,438,519.65 = 565,475.54/x
  3. Step 3: Cross multiply
    1,042,403.54x = 1,438,519.65 × 565,475.54
  4. Step 4: Simplify right side
    1,042,403.54x = 813,447,675,884.36
  5. Step 5: Solve for x
    x = 813,447,675,884.36/1,042,403.54
  6. Step 6: Final answer
    x = 780,357.75

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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.