Home / 1,178,041.78-1,625,653.02-719,922.52

Finding the Fourth Proportional to 1,178,041.78, 1,625,653.02 and 719,922.52

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Solution

The fourth proportional to 1,178,041.78, 1,625,653.02 and 719,922.52 is: 993,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,041.78 : 1,625,653.02 = 719,922.52 : x
  2. Step 2: Convert to fraction form
    1,178,041.78/1,625,653.02 = 719,922.52/x
  3. Step 3: Cross multiply
    1,178,041.78x = 1,625,653.02 × 719,922.52
  4. Step 4: Simplify right side
    1,178,041.78x = 1,170,344,218,804.01
  5. Step 5: Solve for x
    x = 1,170,344,218,804.01/1,178,041.78
  6. Step 6: Final answer
    x = 993,465.80

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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.