Home / 1,283,864.70-1,771,711.64-710,892.57

Finding the Fourth Proportional to 1,283,864.70, 1,771,711.64 and 710,892.57

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Solution

The fourth proportional to 1,283,864.70, 1,771,711.64 and 710,892.57 is: 981,019.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,864.70 : 1,771,711.64 = 710,892.57 : x
  2. Step 2: Convert to fraction form
    1,283,864.70/1,771,711.64 = 710,892.57/x
  3. Step 3: Cross multiply
    1,283,864.70x = 1,771,711.64 × 710,892.57
  4. Step 4: Simplify right side
    1,283,864.70x = 1,259,496,641,058.51
  5. Step 5: Solve for x
    x = 1,259,496,641,058.51/1,283,864.70
  6. Step 6: Final answer
    x = 981,019.76

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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.