Home / 1,312,834.95-1,969,077.42-366,126.39

Finding the Fourth Proportional to 1,312,834.95, 1,969,077.42 and 366,126.39

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Solution

The fourth proportional to 1,312,834.95, 1,969,077.42 and 366,126.39 is: 549,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,834.95 : 1,969,077.42 = 366,126.39 : x
  2. Step 2: Convert to fraction form
    1,312,834.95/1,969,077.42 = 366,126.39/x
  3. Step 3: Cross multiply
    1,312,834.95x = 1,969,077.42 × 366,126.39
  4. Step 4: Simplify right side
    1,312,834.95x = 720,931,207,415.11
  5. Step 5: Solve for x
    x = 720,931,207,415.11/1,312,834.95
  6. Step 6: Final answer
    x = 549,140.78

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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.