Home / 1,989,904.40-2,984,844.45-569,963.06

Finding the Fourth Proportional to 1,989,904.40, 2,984,844.45 and 569,963.06

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Solution

The fourth proportional to 1,989,904.40, 2,984,844.45 and 569,963.06 is: 854,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,904.40 : 2,984,844.45 = 569,963.06 : x
  2. Step 2: Convert to fraction form
    1,989,904.40/2,984,844.45 = 569,963.06/x
  3. Step 3: Cross multiply
    1,989,904.40x = 2,984,844.45 × 569,963.06
  4. Step 4: Simplify right side
    1,989,904.40x = 1,701,251,076,346.02
  5. Step 5: Solve for x
    x = 1,701,251,076,346.02/1,989,904.40
  6. Step 6: Final answer
    x = 854,941.11

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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.