Home / 1,283,915.84-1,771,803.68-710,956

Finding the Fourth Proportional to 1,283,915.84, 1,771,803.68 and 710,956

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Solution

The fourth proportional to 1,283,915.84, 1,771,803.68 and 710,956 is: 981,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,915.84 : 1,771,803.68 = 710,956 : x
  2. Step 2: Convert to fraction form
    1,283,915.84/1,771,803.68 = 710,956/x
  3. Step 3: Cross multiply
    1,283,915.84x = 1,771,803.68 × 710,956
  4. Step 4: Simplify right side
    1,283,915.84x = 1,259,674,457,118.08
  5. Step 5: Solve for x
    x = 1,259,674,457,118.08/1,283,915.84
  6. Step 6: Final answer
    x = 981,119.18

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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.