Home / 716,718.06-1,075,742.28-361,981.17

Finding the Fourth Proportional to 716,718.06, 1,075,742.28 and 361,981.17

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Solution

The fourth proportional to 716,718.06, 1,075,742.28 and 361,981.17 is: 543,307.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,718.06 : 1,075,742.28 = 361,981.17 : x
  2. Step 2: Convert to fraction form
    716,718.06/1,075,742.28 = 361,981.17/x
  3. Step 3: Cross multiply
    716,718.06x = 1,075,742.28 × 361,981.17
  4. Step 4: Simplify right side
    716,718.06x = 389,398,449,132.87
  5. Step 5: Solve for x
    x = 389,398,449,132.87/716,718.06
  6. Step 6: Final answer
    x = 543,307.71

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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.