Home / 1,254,420.83-1,872,151.53-1,133,352.15

Finding the Fourth Proportional to 1,254,420.83, 1,872,151.53 and 1,133,352.15

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Solution

The fourth proportional to 1,254,420.83, 1,872,151.53 and 1,133,352.15 is: 1,691,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,420.83 : 1,872,151.53 = 1,133,352.15 : x
  2. Step 2: Convert to fraction form
    1,254,420.83/1,872,151.53 = 1,133,352.15/x
  3. Step 3: Cross multiply
    1,254,420.83x = 1,872,151.53 × 1,133,352.15
  4. Step 4: Simplify right side
    1,254,420.83x = 2,121,806,961,651.29
  5. Step 5: Solve for x
    x = 2,121,806,961,651.29/1,254,420.83
  6. Step 6: Final answer
    x = 1,691,463.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.