Home / 528,433.53-729,237.27-286,716.04

Finding the Fourth Proportional to 528,433.53, 729,237.27 and 286,716.04

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Solution

The fourth proportional to 528,433.53, 729,237.27 and 286,716.04 is: 395,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,433.53 : 729,237.27 = 286,716.04 : x
  2. Step 2: Convert to fraction form
    528,433.53/729,237.27 = 286,716.04/x
  3. Step 3: Cross multiply
    528,433.53x = 729,237.27 × 286,716.04
  4. Step 4: Simplify right side
    528,433.53x = 209,084,022,587.40
  5. Step 5: Solve for x
    x = 209,084,022,587.40/528,433.53
  6. Step 6: Final answer
    x = 395,667.59

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1.5x scale

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.