Home / 866,920.58-1,196,413.47-485,070.38

Finding the Fourth Proportional to 866,920.58, 1,196,413.47 and 485,070.38

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Solution

The fourth proportional to 866,920.58, 1,196,413.47 and 485,070.38 is: 669,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,920.58 : 1,196,413.47 = 485,070.38 : x
  2. Step 2: Convert to fraction form
    866,920.58/1,196,413.47 = 485,070.38/x
  3. Step 3: Cross multiply
    866,920.58x = 1,196,413.47 × 485,070.38
  4. Step 4: Simplify right side
    866,920.58x = 580,344,730,547.95
  5. Step 5: Solve for x
    x = 580,344,730,547.95/866,920.58
  6. Step 6: Final answer
    x = 669,432.41

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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.