Home / 1,409,717.80-2,114,807.10-462,831.40

Finding the Fourth Proportional to 1,409,717.80, 2,114,807.10 and 462,831.40

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Solution

The fourth proportional to 1,409,717.80, 2,114,807.10 and 462,831.40 is: 694,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,717.80 : 2,114,807.10 = 462,831.40 : x
  2. Step 2: Convert to fraction form
    1,409,717.80/2,114,807.10 = 462,831.40/x
  3. Step 3: Cross multiply
    1,409,717.80x = 2,114,807.10 × 462,831.40
  4. Step 4: Simplify right side
    1,409,717.80x = 978,799,130,822.94
  5. Step 5: Solve for x
    x = 978,799,130,822.94/1,409,717.80
  6. Step 6: Final answer
    x = 694,322.74

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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.