Home / 756,646.82-1,044,179.64-417,127.22

Finding the Fourth Proportional to 756,646.82, 1,044,179.64 and 417,127.22

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Solution

The fourth proportional to 756,646.82, 1,044,179.64 and 417,127.22 is: 575,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,646.82 : 1,044,179.64 = 417,127.22 : x
  2. Step 2: Convert to fraction form
    756,646.82/1,044,179.64 = 417,127.22/x
  3. Step 3: Cross multiply
    756,646.82x = 1,044,179.64 × 417,127.22
  4. Step 4: Simplify right side
    756,646.82x = 435,555,750,413.80
  5. Step 5: Solve for x
    x = 435,555,750,413.80/756,646.82
  6. Step 6: Final answer
    x = 575,639.44

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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.