Home / 528,326.47-729,090.53-301,976.83

Finding the Fourth Proportional to 528,326.47, 729,090.53 and 301,976.83

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Solution

The fourth proportional to 528,326.47, 729,090.53 and 301,976.83 is: 416,728.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,326.47 : 729,090.53 = 301,976.83 : x
  2. Step 2: Convert to fraction form
    528,326.47/729,090.53 = 301,976.83/x
  3. Step 3: Cross multiply
    528,326.47x = 729,090.53 × 301,976.83
  4. Step 4: Simplify right side
    528,326.47x = 220,168,447,032.42
  5. Step 5: Solve for x
    x = 220,168,447,032.42/528,326.47
  6. Step 6: Final answer
    x = 416,728.03

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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.