Home / 1,528,883.56-2,109,860.67-840,567.16

Finding the Fourth Proportional to 1,528,883.56, 2,109,860.67 and 840,567.16

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Solution

The fourth proportional to 1,528,883.56, 2,109,860.67 and 840,567.16 is: 1,159,983.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,883.56 : 2,109,860.67 = 840,567.16 : x
  2. Step 2: Convert to fraction form
    1,528,883.56/2,109,860.67 = 840,567.16/x
  3. Step 3: Cross multiply
    1,528,883.56x = 2,109,860.67 × 840,567.16
  4. Step 4: Simplify right side
    1,528,883.56x = 1,773,479,591,377.60
  5. Step 5: Solve for x
    x = 1,773,479,591,377.60/1,528,883.56
  6. Step 6: Final answer
    x = 1,159,983.43

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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.