Home / 1,416,573.45-1,954,814.40-771,979.68

Finding the Fourth Proportional to 1,416,573.45, 1,954,814.40 and 771,979.68

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Solution

The fourth proportional to 1,416,573.45, 1,954,814.40 and 771,979.68 is: 1,065,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,573.45 : 1,954,814.40 = 771,979.68 : x
  2. Step 2: Convert to fraction form
    1,416,573.45/1,954,814.40 = 771,979.68/x
  3. Step 3: Cross multiply
    1,416,573.45x = 1,954,814.40 × 771,979.68
  4. Step 4: Simplify right side
    1,416,573.45x = 1,509,076,994,971.39
  5. Step 5: Solve for x
    x = 1,509,076,994,971.39/1,416,573.45
  6. Step 6: Final answer
    x = 1,065,300.92

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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.