Home / 1,154,160.86-1,592,743.53-664,120.64

Finding the Fourth Proportional to 1,154,160.86, 1,592,743.53 and 664,120.64

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Solution

The fourth proportional to 1,154,160.86, 1,592,743.53 and 664,120.64 is: 916,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,160.86 : 1,592,743.53 = 664,120.64 : x
  2. Step 2: Convert to fraction form
    1,154,160.86/1,592,743.53 = 664,120.64/x
  3. Step 3: Cross multiply
    1,154,160.86x = 1,592,743.53 × 664,120.64
  4. Step 4: Simplify right side
    1,154,160.86x = 1,057,773,849,178.86
  5. Step 5: Solve for x
    x = 1,057,773,849,178.86/1,154,160.86
  6. Step 6: Final answer
    x = 916,487.37

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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.