Home / 1,438,518.58-1,985,145.85-793,938.75

Finding the Fourth Proportional to 1,438,518.58, 1,985,145.85 and 793,938.75

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Solution

The fourth proportional to 1,438,518.58, 1,985,145.85 and 793,938.75 is: 1,095,630.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,518.58 : 1,985,145.85 = 793,938.75 : x
  2. Step 2: Convert to fraction form
    1,438,518.58/1,985,145.85 = 793,938.75/x
  3. Step 3: Cross multiply
    1,438,518.58x = 1,985,145.85 × 793,938.75
  4. Step 4: Simplify right side
    1,438,518.58x = 1,576,084,214,716.69
  5. Step 5: Solve for x
    x = 1,576,084,214,716.69/1,438,518.58
  6. Step 6: Final answer
    x = 1,095,630.08

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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.