Home / 1,172,290.68-1,758,189.96-330,645.60

Finding the Fourth Proportional to 1,172,290.68, 1,758,189.96 and 330,645.60

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Solution

The fourth proportional to 1,172,290.68, 1,758,189.96 and 330,645.60 is: 495,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,290.68 : 1,758,189.96 = 330,645.60 : x
  2. Step 2: Convert to fraction form
    1,172,290.68/1,758,189.96 = 330,645.60/x
  3. Step 3: Cross multiply
    1,172,290.68x = 1,758,189.96 × 330,645.60
  4. Step 4: Simplify right side
    1,172,290.68x = 581,337,774,238.18
  5. Step 5: Solve for x
    x = 581,337,774,238.18/1,172,290.68
  6. Step 6: Final answer
    x = 495,899.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.