Home / 1,134,681.50-1,565,839.94-618,440.15

Finding the Fourth Proportional to 1,134,681.50, 1,565,839.94 and 618,440.15

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Solution

The fourth proportional to 1,134,681.50, 1,565,839.94 and 618,440.15 is: 853,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,681.50 : 1,565,839.94 = 618,440.15 : x
  2. Step 2: Convert to fraction form
    1,134,681.50/1,565,839.94 = 618,440.15/x
  3. Step 3: Cross multiply
    1,134,681.50x = 1,565,839.94 × 618,440.15
  4. Step 4: Simplify right side
    1,134,681.50x = 968,378,276,448.19
  5. Step 5: Solve for x
    x = 968,378,276,448.19/1,134,681.50
  6. Step 6: Final answer
    x = 853,436.21

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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.