Home / 1,047,089.84-1,444,943.76-639,872.88

Finding the Fourth Proportional to 1,047,089.84, 1,444,943.76 and 639,872.88

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Solution

The fourth proportional to 1,047,089.84, 1,444,943.76 and 639,872.88 is: 883,000.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,089.84 : 1,444,943.76 = 639,872.88 : x
  2. Step 2: Convert to fraction form
    1,047,089.84/1,444,943.76 = 639,872.88/x
  3. Step 3: Cross multiply
    1,047,089.84x = 1,444,943.76 × 639,872.88
  4. Step 4: Simplify right side
    1,047,089.84x = 924,580,325,149.23
  5. Step 5: Solve for x
    x = 924,580,325,149.23/1,047,089.84
  6. Step 6: Final answer
    x = 883,000.00

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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.