Home / 927,778.60-1,392,128.70-366,831.40

Finding the Fourth Proportional to 927,778.60, 1,392,128.70 and 366,831.40

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Solution

The fourth proportional to 927,778.60, 1,392,128.70 and 366,831.40 is: 550,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,778.60 : 1,392,128.70 = 366,831.40 : x
  2. Step 2: Convert to fraction form
    927,778.60/1,392,128.70 = 366,831.40/x
  3. Step 3: Cross multiply
    927,778.60x = 1,392,128.70 × 366,831.40
  4. Step 4: Simplify right side
    927,778.60x = 510,676,520,001.18
  5. Step 5: Solve for x
    x = 510,676,520,001.18/927,778.60
  6. Step 6: Final answer
    x = 550,429.29

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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.