Home / 528,498.48-792,719.40-186,918.24

Finding the Fourth Proportional to 528,498.48, 792,719.40 and 186,918.24

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Solution

The fourth proportional to 528,498.48, 792,719.40 and 186,918.24 is: 280,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,498.48 : 792,719.40 = 186,918.24 : x
  2. Step 2: Convert to fraction form
    528,498.48/792,719.40 = 186,918.24/x
  3. Step 3: Cross multiply
    528,498.48x = 792,719.40 × 186,918.24
  4. Step 4: Simplify right side
    528,498.48x = 148,173,715,061.86
  5. Step 5: Solve for x
    x = 148,173,715,061.86/528,498.48
  6. Step 6: Final answer
    x = 280,367.34

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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.