Home / 630,831.31-941,419.43-563,515.45

Finding the Fourth Proportional to 630,831.31, 941,419.43 and 563,515.45

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Solution

The fourth proportional to 630,831.31, 941,419.43 and 563,515.45 is: 840,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,831.31 : 941,419.43 = 563,515.45 : x
  2. Step 2: Convert to fraction form
    630,831.31/941,419.43 = 563,515.45/x
  3. Step 3: Cross multiply
    630,831.31x = 941,419.43 × 563,515.45
  4. Step 4: Simplify right side
    630,831.31x = 530,504,393,847.03
  5. Step 5: Solve for x
    x = 530,504,393,847.03/630,831.31
  6. Step 6: Final answer
    x = 840,960.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.