Home / 1,172,855.70-1,758,117.15-540,666.90

Finding the Fourth Proportional to 1,172,855.70, 1,758,117.15 and 540,666.90

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Solution

The fourth proportional to 1,172,855.70, 1,758,117.15 and 540,666.90 is: 810,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,855.70 : 1,758,117.15 = 540,666.90 : x
  2. Step 2: Convert to fraction form
    1,172,855.70/1,758,117.15 = 540,666.90/x
  3. Step 3: Cross multiply
    1,172,855.70x = 1,758,117.15 × 540,666.90
  4. Step 4: Simplify right side
    1,172,855.70x = 950,555,749,327.34
  5. Step 5: Solve for x
    x = 950,555,749,327.34/1,172,855.70
  6. Step 6: Final answer
    x = 810,462.66

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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.