Home / 1,686,357.60-2,327,191.68-922,394.40

Finding the Fourth Proportional to 1,686,357.60, 2,327,191.68 and 922,394.40

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Solution

The fourth proportional to 1,686,357.60, 2,327,191.68 and 922,394.40 is: 1,272,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,357.60 : 2,327,191.68 = 922,394.40 : x
  2. Step 2: Convert to fraction form
    1,686,357.60/2,327,191.68 = 922,394.40/x
  3. Step 3: Cross multiply
    1,686,357.60x = 2,327,191.68 × 922,394.40
  4. Step 4: Simplify right side
    1,686,357.60x = 2,146,588,573,358.59
  5. Step 5: Solve for x
    x = 2,146,588,573,358.59/1,686,357.60
  6. Step 6: Final answer
    x = 1,272,914.22

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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.