Home / 1,283,916.25-1,771,803.30-710,956.39

Finding the Fourth Proportional to 1,283,916.25, 1,771,803.30 and 710,956.39

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Solution

The fourth proportional to 1,283,916.25, 1,771,803.30 and 710,956.39 is: 981,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,916.25 : 1,771,803.30 = 710,956.39 : x
  2. Step 2: Convert to fraction form
    1,283,916.25/1,771,803.30 = 710,956.39/x
  3. Step 3: Cross multiply
    1,283,916.25x = 1,771,803.30 × 710,956.39
  4. Step 4: Simplify right side
    1,283,916.25x = 1,259,674,877,958.09
  5. Step 5: Solve for x
    x = 1,259,674,877,958.09/1,283,916.25
  6. Step 6: Final answer
    x = 981,119.20

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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.