Home / 1,528,873.67-2,109,847.01-840,557.24

Finding the Fourth Proportional to 1,528,873.67, 2,109,847.01 and 840,557.24

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Solution

The fourth proportional to 1,528,873.67, 2,109,847.01 and 840,557.24 is: 1,159,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,873.67 : 2,109,847.01 = 840,557.24 : x
  2. Step 2: Convert to fraction form
    1,528,873.67/2,109,847.01 = 840,557.24/x
  3. Step 3: Cross multiply
    1,528,873.67x = 2,109,847.01 × 840,557.24
  4. Step 4: Simplify right side
    1,528,873.67x = 1,773,447,175,345.07
  5. Step 5: Solve for x
    x = 1,773,447,175,345.07/1,528,873.67
  6. Step 6: Final answer
    x = 1,159,969.73

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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.