Home / 1,281,952.40-1,769,040.96-701,166.20

Finding the Fourth Proportional to 1,281,952.40, 1,769,040.96 and 701,166.20

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Solution

The fourth proportional to 1,281,952.40, 1,769,040.96 and 701,166.20 is: 967,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,952.40 : 1,769,040.96 = 701,166.20 : x
  2. Step 2: Convert to fraction form
    1,281,952.40/1,769,040.96 = 701,166.20/x
  3. Step 3: Cross multiply
    1,281,952.40x = 1,769,040.96 × 701,166.20
  4. Step 4: Simplify right side
    1,281,952.40x = 1,240,391,727,567.55
  5. Step 5: Solve for x
    x = 1,240,391,727,567.55/1,281,952.40
  6. Step 6: Final answer
    x = 967,580.18

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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.