Home / 1,111,543.56-1,534,278.90-709,135.24

Finding the Fourth Proportional to 1,111,543.56, 1,534,278.90 and 709,135.24

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Solution

The fourth proportional to 1,111,543.56, 1,534,278.90 and 709,135.24 is: 978,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,543.56 : 1,534,278.90 = 709,135.24 : x
  2. Step 2: Convert to fraction form
    1,111,543.56/1,534,278.90 = 709,135.24/x
  3. Step 3: Cross multiply
    1,111,543.56x = 1,534,278.90 × 709,135.24
  4. Step 4: Simplify right side
    1,111,543.56x = 1,088,011,235,978.44
  5. Step 5: Solve for x
    x = 1,088,011,235,978.44/1,111,543.56
  6. Step 6: Final answer
    x = 978,829.15

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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.