Home / 1,434,505.16-1,979,023.86-853,613

Finding the Fourth Proportional to 1,434,505.16, 1,979,023.86 and 853,613

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Solution

The fourth proportional to 1,434,505.16, 1,979,023.86 and 853,613 is: 1,177,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,505.16 : 1,979,023.86 = 853,613 : x
  2. Step 2: Convert to fraction form
    1,434,505.16/1,979,023.86 = 853,613/x
  3. Step 3: Cross multiply
    1,434,505.16x = 1,979,023.86 × 853,613
  4. Step 4: Simplify right side
    1,434,505.16x = 1,689,320,494,206.18
  5. Step 5: Solve for x
    x = 1,689,320,494,206.18/1,434,505.16
  6. Step 6: Final answer
    x = 1,177,632.92

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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.