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Finding the Fourth Proportional to 1,159,725.15, 1,739,642.49 and 956,945.16

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Solution

The fourth proportional to 1,159,725.15, 1,739,642.49 and 956,945.16 is: 1,435,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,725.15 : 1,739,642.49 = 956,945.16 : x
  2. Step 2: Convert to fraction form
    1,159,725.15/1,739,642.49 = 956,945.16/x
  3. Step 3: Cross multiply
    1,159,725.15x = 1,739,642.49 × 956,945.16
  4. Step 4: Simplify right side
    1,159,725.15x = 1,664,742,460,935.85
  5. Step 5: Solve for x
    x = 1,664,742,460,935.85/1,159,725.15
  6. Step 6: Final answer
    x = 1,435,462.93

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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.