Home / 1,234,554.40-1,851,831.60-393,191.20

Finding the Fourth Proportional to 1,234,554.40, 1,851,831.60 and 393,191.20

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Solution

The fourth proportional to 1,234,554.40, 1,851,831.60 and 393,191.20 is: 589,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,554.40 : 1,851,831.60 = 393,191.20 : x
  2. Step 2: Convert to fraction form
    1,234,554.40/1,851,831.60 = 393,191.20/x
  3. Step 3: Cross multiply
    1,234,554.40x = 1,851,831.60 × 393,191.20
  4. Step 4: Simplify right side
    1,234,554.40x = 728,123,889,001.92
  5. Step 5: Solve for x
    x = 728,123,889,001.92/1,234,554.40
  6. Step 6: Final answer
    x = 589,786.80

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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.