Home / 877,926.11-1,211,692.21-510,516.95

Finding the Fourth Proportional to 877,926.11, 1,211,692.21 and 510,516.95

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Solution

The fourth proportional to 877,926.11, 1,211,692.21 and 510,516.95 is: 704,603.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,926.11 : 1,211,692.21 = 510,516.95 : x
  2. Step 2: Convert to fraction form
    877,926.11/1,211,692.21 = 510,516.95/x
  3. Step 3: Cross multiply
    877,926.11x = 1,211,692.21 × 510,516.95
  4. Step 4: Simplify right side
    877,926.11x = 618,589,406,924.86
  5. Step 5: Solve for x
    x = 618,589,406,924.86/877,926.11
  6. Step 6: Final answer
    x = 704,603.04

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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.