Home / 1,416,578.06-1,954,820.67-771,984.40

Finding the Fourth Proportional to 1,416,578.06, 1,954,820.67 and 771,984.40

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Solution

The fourth proportional to 1,416,578.06, 1,954,820.67 and 771,984.40 is: 1,065,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,578.06 : 1,954,820.67 = 771,984.40 : x
  2. Step 2: Convert to fraction form
    1,416,578.06/1,954,820.67 = 771,984.40/x
  3. Step 3: Cross multiply
    1,416,578.06x = 1,954,820.67 × 771,984.40
  4. Step 4: Simplify right side
    1,416,578.06x = 1,509,091,062,037.55
  5. Step 5: Solve for x
    x = 1,509,091,062,037.55/1,416,578.06
  6. Step 6: Final answer
    x = 1,065,307.38

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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.