Home / 1,079,203.80-1,617,509.70-447,792.60

Finding the Fourth Proportional to 1,079,203.80, 1,617,509.70 and 447,792.60

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Solution

The fourth proportional to 1,079,203.80, 1,617,509.70 and 447,792.60 is: 671,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,203.80 : 1,617,509.70 = 447,792.60 : x
  2. Step 2: Convert to fraction form
    1,079,203.80/1,617,509.70 = 447,792.60/x
  3. Step 3: Cross multiply
    1,079,203.80x = 1,617,509.70 × 447,792.60
  4. Step 4: Simplify right side
    1,079,203.80x = 724,308,874,088.22
  5. Step 5: Solve for x
    x = 724,308,874,088.22/1,079,203.80
  6. Step 6: Final answer
    x = 671,151.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.