Home / 873,384.04-1,205,264.58-491,413.48

Finding the Fourth Proportional to 873,384.04, 1,205,264.58 and 491,413.48

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Solution

The fourth proportional to 873,384.04, 1,205,264.58 and 491,413.48 is: 678,147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,384.04 : 1,205,264.58 = 491,413.48 : x
  2. Step 2: Convert to fraction form
    873,384.04/1,205,264.58 = 491,413.48/x
  3. Step 3: Cross multiply
    873,384.04x = 1,205,264.58 × 491,413.48
  4. Step 4: Simplify right side
    873,384.04x = 592,283,261,578.54
  5. Step 5: Solve for x
    x = 592,283,261,578.54/873,384.04
  6. Step 6: Final answer
    x = 678,147.57

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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.