Home / 1,081,585.31-1,492,136.70-622,590.05

Finding the Fourth Proportional to 1,081,585.31, 1,492,136.70 and 622,590.05

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Solution

The fourth proportional to 1,081,585.31, 1,492,136.70 and 622,590.05 is: 858,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,585.31 : 1,492,136.70 = 622,590.05 : x
  2. Step 2: Convert to fraction form
    1,081,585.31/1,492,136.70 = 622,590.05/x
  3. Step 3: Cross multiply
    1,081,585.31x = 1,492,136.70 × 622,590.05
  4. Step 4: Simplify right side
    1,081,585.31x = 928,989,455,199.15
  5. Step 5: Solve for x
    x = 928,989,455,199.15/1,081,585.31
  6. Step 6: Final answer
    x = 858,914.64

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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.