Home / 546,831.20-819,663.60-209,741.60

Finding the Fourth Proportional to 546,831.20, 819,663.60 and 209,741.60

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Solution

The fourth proportional to 546,831.20, 819,663.60 and 209,741.60 is: 314,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,831.20 : 819,663.60 = 209,741.60 : x
  2. Step 2: Convert to fraction form
    546,831.20/819,663.60 = 209,741.60/x
  3. Step 3: Cross multiply
    546,831.20x = 819,663.60 × 209,741.60
  4. Step 4: Simplify right side
    546,831.20x = 171,917,554,925.76
  5. Step 5: Solve for x
    x = 171,917,554,925.76/546,831.20
  6. Step 6: Final answer
    x = 314,388.71

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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.