Home / 528,559.22-792,831.95-129,203.51

Finding the Fourth Proportional to 528,559.22, 792,831.95 and 129,203.51

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Solution

The fourth proportional to 528,559.22, 792,831.95 and 129,203.51 is: 193,803.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,559.22 : 792,831.95 = 129,203.51 : x
  2. Step 2: Convert to fraction form
    528,559.22/792,831.95 = 129,203.51/x
  3. Step 3: Cross multiply
    528,559.22x = 792,831.95 × 129,203.51
  4. Step 4: Simplify right side
    528,559.22x = 102,436,666,654.48
  5. Step 5: Solve for x
    x = 102,436,666,654.48/528,559.22
  6. Step 6: Final answer
    x = 193,803.57

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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.