Home / 1,158,805.70-1,740,176.85-859,624.10

Finding the Fourth Proportional to 1,158,805.70, 1,740,176.85 and 859,624.10

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Solution

The fourth proportional to 1,158,805.70, 1,740,176.85 and 859,624.10 is: 1,290,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,805.70 : 1,740,176.85 = 859,624.10 : x
  2. Step 2: Convert to fraction form
    1,158,805.70/1,740,176.85 = 859,624.10/x
  3. Step 3: Cross multiply
    1,158,805.70x = 1,740,176.85 × 859,624.10
  4. Step 4: Simplify right side
    1,158,805.70x = 1,495,897,958,522.09
  5. Step 5: Solve for x
    x = 1,495,897,958,522.09/1,158,805.70
  6. Step 6: Final answer
    x = 1,290,896.27

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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.