Home / 1,076,008.20-1,484,346.51-668,351.40

Finding the Fourth Proportional to 1,076,008.20, 1,484,346.51 and 668,351.40

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Solution

The fourth proportional to 1,076,008.20, 1,484,346.51 and 668,351.40 is: 921,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,008.20 : 1,484,346.51 = 668,351.40 : x
  2. Step 2: Convert to fraction form
    1,076,008.20/1,484,346.51 = 668,351.40/x
  3. Step 3: Cross multiply
    1,076,008.20x = 1,484,346.51 × 668,351.40
  4. Step 4: Simplify right side
    1,076,008.20x = 992,065,068,043.61
  5. Step 5: Solve for x
    x = 992,065,068,043.61/1,076,008.20
  6. Step 6: Final answer
    x = 921,986.53

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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.