Home / 1,154,159.86-1,592,934.36-781,453.75

Finding the Fourth Proportional to 1,154,159.86, 1,592,934.36 and 781,453.75

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Solution

The fourth proportional to 1,154,159.86, 1,592,934.36 and 781,453.75 is: 1,078,537.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,159.86 : 1,592,934.36 = 781,453.75 : x
  2. Step 2: Convert to fraction form
    1,154,159.86/1,592,934.36 = 781,453.75/x
  3. Step 3: Cross multiply
    1,154,159.86x = 1,592,934.36 × 781,453.75
  4. Step 4: Simplify right side
    1,154,159.86x = 1,244,804,529,125.85
  5. Step 5: Solve for x
    x = 1,244,804,529,125.85/1,154,159.86
  6. Step 6: Final answer
    x = 1,078,537.36

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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.