Home / 866,308.26-1,299,683.79-333,686.28

Finding the Fourth Proportional to 866,308.26, 1,299,683.79 and 333,686.28

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Solution

The fourth proportional to 866,308.26, 1,299,683.79 and 333,686.28 is: 500,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,308.26 : 1,299,683.79 = 333,686.28 : x
  2. Step 2: Convert to fraction form
    866,308.26/1,299,683.79 = 333,686.28/x
  3. Step 3: Cross multiply
    866,308.26x = 1,299,683.79 × 333,686.28
  4. Step 4: Simplify right side
    866,308.26x = 433,686,649,061.40
  5. Step 5: Solve for x
    x = 433,686,649,061.40/866,308.26
  6. Step 6: Final answer
    x = 500,614.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.