Home / 1,157,430.48-1,597,253.84-641,217.92

Finding the Fourth Proportional to 1,157,430.48, 1,597,253.84 and 641,217.92

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Solution

The fourth proportional to 1,157,430.48, 1,597,253.84 and 641,217.92 is: 884,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,430.48 : 1,597,253.84 = 641,217.92 : x
  2. Step 2: Convert to fraction form
    1,157,430.48/1,597,253.84 = 641,217.92/x
  3. Step 3: Cross multiply
    1,157,430.48x = 1,597,253.84 × 641,217.92
  4. Step 4: Simplify right side
    1,157,430.48x = 1,024,187,784,996.81
  5. Step 5: Solve for x
    x = 1,024,187,784,996.81/1,157,430.48
  6. Step 6: Final answer
    x = 884,880.61

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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.