Home / 1,406,512.79-1,940,985.90-761,935.65

Finding the Fourth Proportional to 1,406,512.79, 1,940,985.90 and 761,935.65

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Solution

The fourth proportional to 1,406,512.79, 1,940,985.90 and 761,935.65 is: 1,051,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,512.79 : 1,940,985.90 = 761,935.65 : x
  2. Step 2: Convert to fraction form
    1,406,512.79/1,940,985.90 = 761,935.65/x
  3. Step 3: Cross multiply
    1,406,512.79x = 1,940,985.90 × 761,935.65
  4. Step 4: Simplify right side
    1,406,512.79x = 1,478,906,353,357.34
  5. Step 5: Solve for x
    x = 1,478,906,353,357.34/1,406,512.79
  6. Step 6: Final answer
    x = 1,051,470.25

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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.