Home / 1,046,878.50-1,444,655.94-639,661.98

Finding the Fourth Proportional to 1,046,878.50, 1,444,655.94 and 639,661.98

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Solution

The fourth proportional to 1,046,878.50, 1,444,655.94 and 639,661.98 is: 882,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,878.50 : 1,444,655.94 = 639,661.98 : x
  2. Step 2: Convert to fraction form
    1,046,878.50/1,444,655.94 = 639,661.98/x
  3. Step 3: Cross multiply
    1,046,878.50x = 1,444,655.94 × 639,661.98
  4. Step 4: Simplify right side
    1,046,878.50x = 924,091,478,999.16
  5. Step 5: Solve for x
    x = 924,091,478,999.16/1,046,878.50
  6. Step 6: Final answer
    x = 882,711.30

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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.