Home / 948,440.34-1,308,831.21-518,711.04

Finding the Fourth Proportional to 948,440.34, 1,308,831.21 and 518,711.04

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Solution

The fourth proportional to 948,440.34, 1,308,831.21 and 518,711.04 is: 715,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,440.34 : 1,308,831.21 = 518,711.04 : x
  2. Step 2: Convert to fraction form
    948,440.34/1,308,831.21 = 518,711.04/x
  3. Step 3: Cross multiply
    948,440.34x = 1,308,831.21 × 518,711.04
  4. Step 4: Simplify right side
    948,440.34x = 678,905,198,123.56
  5. Step 5: Solve for x
    x = 678,905,198,123.56/948,440.34
  6. Step 6: Final answer
    x = 715,812.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.