Home / 1,731,663.60-2,388,148.44-1,087,143.84

Finding the Fourth Proportional to 1,731,663.60, 2,388,148.44 and 1,087,143.84

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Solution

The fourth proportional to 1,731,663.60, 2,388,148.44 and 1,087,143.84 is: 1,499,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,663.60 : 2,388,148.44 = 1,087,143.84 : x
  2. Step 2: Convert to fraction form
    1,731,663.60/2,388,148.44 = 1,087,143.84/x
  3. Step 3: Cross multiply
    1,731,663.60x = 2,388,148.44 × 1,087,143.84
  4. Step 4: Simplify right side
    1,731,663.60x = 2,596,260,865,551.61
  5. Step 5: Solve for x
    x = 2,596,260,865,551.61/1,731,663.60
  6. Step 6: Final answer
    x = 1,499,287.08

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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.