Home / 885,434.29-1,221,893.66-503,461.06

Finding the Fourth Proportional to 885,434.29, 1,221,893.66 and 503,461.06

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Solution

The fourth proportional to 885,434.29, 1,221,893.66 and 503,461.06 is: 694,773.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,434.29 : 1,221,893.66 = 503,461.06 : x
  2. Step 2: Convert to fraction form
    885,434.29/1,221,893.66 = 503,461.06/x
  3. Step 3: Cross multiply
    885,434.29x = 1,221,893.66 × 503,461.06
  4. Step 4: Simplify right side
    885,434.29x = 615,175,875,474.80
  5. Step 5: Solve for x
    x = 615,175,875,474.80/885,434.29
  6. Step 6: Final answer
    x = 694,773.04

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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.