Home / 806,831.56-1,210,378.68-238,270.16

Finding the Fourth Proportional to 806,831.56, 1,210,378.68 and 238,270.16

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Solution

The fourth proportional to 806,831.56, 1,210,378.68 and 238,270.16 is: 357,444.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,831.56 : 1,210,378.68 = 238,270.16 : x
  2. Step 2: Convert to fraction form
    806,831.56/1,210,378.68 = 238,270.16/x
  3. Step 3: Cross multiply
    806,831.56x = 1,210,378.68 × 238,270.16
  4. Step 4: Simplify right side
    806,831.56x = 288,397,121,744.19
  5. Step 5: Solve for x
    x = 288,397,121,744.19/806,831.56
  6. Step 6: Final answer
    x = 357,444.03

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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.