Home / 1,232,739-1,849,109.11-391,290.75

Finding the Fourth Proportional to 1,232,739, 1,849,109.11 and 391,290.75

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Solution

The fourth proportional to 1,232,739, 1,849,109.11 and 391,290.75 is: 586,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,739 : 1,849,109.11 = 391,290.75 : x
  2. Step 2: Convert to fraction form
    1,232,739/1,849,109.11 = 391,290.75/x
  3. Step 3: Cross multiply
    1,232,739x = 1,849,109.11 × 391,290.75
  4. Step 4: Simplify right side
    1,232,739x = 723,539,289,505.51
  5. Step 5: Solve for x
    x = 723,539,289,505.51/1,232,739
  6. Step 6: Final answer
    x = 586,936.32

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Double scale
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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.