Home / 1,157,397.76-1,597,191.54-641,150.05

Finding the Fourth Proportional to 1,157,397.76, 1,597,191.54 and 641,150.05

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Solution

The fourth proportional to 1,157,397.76, 1,597,191.54 and 641,150.05 is: 884,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,397.76 : 1,597,191.54 = 641,150.05 : x
  2. Step 2: Convert to fraction form
    1,157,397.76/1,597,191.54 = 641,150.05/x
  3. Step 3: Cross multiply
    1,157,397.76x = 1,597,191.54 × 641,150.05
  4. Step 4: Simplify right side
    1,157,397.76x = 1,024,039,435,730.58
  5. Step 5: Solve for x
    x = 1,024,039,435,730.58/1,157,397.76
  6. Step 6: Final answer
    x = 884,777.45

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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.