Home / 1,057,640.77-1,586,124.19-347,504.05

Finding the Fourth Proportional to 1,057,640.77, 1,586,124.19 and 347,504.05

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Solution

The fourth proportional to 1,057,640.77, 1,586,124.19 and 347,504.05 is: 521,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,640.77 : 1,586,124.19 = 347,504.05 : x
  2. Step 2: Convert to fraction form
    1,057,640.77/1,586,124.19 = 347,504.05/x
  3. Step 3: Cross multiply
    1,057,640.77x = 1,586,124.19 × 347,504.05
  4. Step 4: Simplify right side
    1,057,640.77x = 551,184,579,827.97
  5. Step 5: Solve for x
    x = 551,184,579,827.97/1,057,640.77
  6. Step 6: Final answer
    x = 521,145.36

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1.5x scale

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.