Home / 1,869,398.86-2,804,098.30-449,455

Finding the Fourth Proportional to 1,869,398.86, 2,804,098.30 and 449,455

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Solution

The fourth proportional to 1,869,398.86, 2,804,098.30 and 449,455 is: 674,182.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,398.86 : 2,804,098.30 = 449,455 : x
  2. Step 2: Convert to fraction form
    1,869,398.86/2,804,098.30 = 449,455/x
  3. Step 3: Cross multiply
    1,869,398.86x = 2,804,098.30 × 449,455
  4. Step 4: Simplify right side
    1,869,398.86x = 1,260,316,001,426.50
  5. Step 5: Solve for x
    x = 1,260,316,001,426.50/1,869,398.86
  6. Step 6: Final answer
    x = 674,182.50

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Double scale
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Similar ratio
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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.