Home / 1,416,582.56-1,954,826.88-771,988.90

Finding the Fourth Proportional to 1,416,582.56, 1,954,826.88 and 771,988.90

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Solution

The fourth proportional to 1,416,582.56, 1,954,826.88 and 771,988.90 is: 1,065,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,582.56 : 1,954,826.88 = 771,988.90 : x
  2. Step 2: Convert to fraction form
    1,416,582.56/1,954,826.88 = 771,988.90/x
  3. Step 3: Cross multiply
    1,416,582.56x = 1,954,826.88 × 771,988.90
  4. Step 4: Simplify right side
    1,416,582.56x = 1,509,104,652,781.63
  5. Step 5: Solve for x
    x = 1,509,104,652,781.63/1,416,582.56
  6. Step 6: Final answer
    x = 1,065,313.59

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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.