Home / 1,120,949.76-1,547,121.61-702,039.66

Finding the Fourth Proportional to 1,120,949.76, 1,547,121.61 and 702,039.66

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Solution

The fourth proportional to 1,120,949.76, 1,547,121.61 and 702,039.66 is: 968,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,949.76 : 1,547,121.61 = 702,039.66 : x
  2. Step 2: Convert to fraction form
    1,120,949.76/1,547,121.61 = 702,039.66/x
  3. Step 3: Cross multiply
    1,120,949.76x = 1,547,121.61 × 702,039.66
  4. Step 4: Simplify right side
    1,120,949.76x = 1,086,140,727,307.95
  5. Step 5: Solve for x
    x = 1,086,140,727,307.95/1,120,949.76
  6. Step 6: Final answer
    x = 968,946.84

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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.