Home / 1,134,459.86-1,565,534.52-618,218.37

Finding the Fourth Proportional to 1,134,459.86, 1,565,534.52 and 618,218.37

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Solution

The fourth proportional to 1,134,459.86, 1,565,534.52 and 618,218.37 is: 853,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,459.86 : 1,565,534.52 = 618,218.37 : x
  2. Step 2: Convert to fraction form
    1,134,459.86/1,565,534.52 = 618,218.37/x
  3. Step 3: Cross multiply
    1,134,459.86x = 1,565,534.52 × 618,218.37
  4. Step 4: Simplify right side
    1,134,459.86x = 967,842,199,133.13
  5. Step 5: Solve for x
    x = 967,842,199,133.13/1,134,459.86
  6. Step 6: Final answer
    x = 853,130.41

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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.