Home / 1,092,141.20-1,637,774.40-381,803.60

Finding the Fourth Proportional to 1,092,141.20, 1,637,774.40 and 381,803.60

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Solution

The fourth proportional to 1,092,141.20, 1,637,774.40 and 381,803.60 is: 572,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,141.20 : 1,637,774.40 = 381,803.60 : x
  2. Step 2: Convert to fraction form
    1,092,141.20/1,637,774.40 = 381,803.60/x
  3. Step 3: Cross multiply
    1,092,141.20x = 1,637,774.40 × 381,803.60
  4. Step 4: Simplify right side
    1,092,141.20x = 625,308,161,907.84
  5. Step 5: Solve for x
    x = 625,308,161,907.84/1,092,141.20
  6. Step 6: Final answer
    x = 572,552.49

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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.