Home / 913,869.93-1,369,991.12-433,801.56

Finding the Fourth Proportional to 913,869.93, 1,369,991.12 and 433,801.56

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Solution

The fourth proportional to 913,869.93, 1,369,991.12 and 433,801.56 is: 650,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,869.93 : 1,369,991.12 = 433,801.56 : x
  2. Step 2: Convert to fraction form
    913,869.93/1,369,991.12 = 433,801.56/x
  3. Step 3: Cross multiply
    913,869.93x = 1,369,991.12 × 433,801.56
  4. Step 4: Simplify right side
    913,869.93x = 594,304,282,873.14
  5. Step 5: Solve for x
    x = 594,304,282,873.14/913,869.93
  6. Step 6: Final answer
    x = 650,316.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.