Home / 1,134,376.91-1,565,440.29-618,130.89

Finding the Fourth Proportional to 1,134,376.91, 1,565,440.29 and 618,130.89

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Solution

The fourth proportional to 1,134,376.91, 1,565,440.29 and 618,130.89 is: 853,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,376.91 : 1,565,440.29 = 618,130.89 : x
  2. Step 2: Convert to fraction form
    1,134,376.91/1,565,440.29 = 618,130.89/x
  3. Step 3: Cross multiply
    1,134,376.91x = 1,565,440.29 × 618,130.89
  4. Step 4: Simplify right side
    1,134,376.91x = 967,646,999,699.56
  5. Step 5: Solve for x
    x = 967,646,999,699.56/1,134,376.91
  6. Step 6: Final answer
    x = 853,020.71

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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.