Home / 805,342.66-1,110,459.79-514,570.07

Finding the Fourth Proportional to 805,342.66, 1,110,459.79 and 514,570.07

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Solution

The fourth proportional to 805,342.66, 1,110,459.79 and 514,570.07 is: 709,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,342.66 : 1,110,459.79 = 514,570.07 : x
  2. Step 2: Convert to fraction form
    805,342.66/1,110,459.79 = 514,570.07/x
  3. Step 3: Cross multiply
    805,342.66x = 1,110,459.79 × 514,570.07
  4. Step 4: Simplify right side
    805,342.66x = 571,409,371,872.49
  5. Step 5: Solve for x
    x = 571,409,371,872.49/805,342.66
  6. Step 6: Final answer
    x = 709,523.29

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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.