Home / 3,124,899.49-4,312,329.53-1,729,463.83

Finding the Fourth Proportional to 3,124,899.49, 4,312,329.53 and 1,729,463.83

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Solution

The fourth proportional to 3,124,899.49, 4,312,329.53 and 1,729,463.83 is: 2,386,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124,899.49 : 4,312,329.53 = 1,729,463.83 : x
  2. Step 2: Convert to fraction form
    3,124,899.49/4,312,329.53 = 1,729,463.83/x
  3. Step 3: Cross multiply
    3,124,899.49x = 4,312,329.53 × 1,729,463.83
  4. Step 4: Simplify right side
    3,124,899.49x = 7,458,017,954,868.73
  5. Step 5: Solve for x
    x = 7,458,017,954,868.73/3,124,899.49
  6. Step 6: Final answer
    x = 2,386,642.51

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1.5x scale

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.