Home / 534,828.90-802,243.35-415,856.10

Finding the Fourth Proportional to 534,828.90, 802,243.35 and 415,856.10

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Solution

The fourth proportional to 534,828.90, 802,243.35 and 415,856.10 is: 623,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,828.90 : 802,243.35 = 415,856.10 : x
  2. Step 2: Convert to fraction form
    534,828.90/802,243.35 = 415,856.10/x
  3. Step 3: Cross multiply
    534,828.90x = 802,243.35 × 415,856.10
  4. Step 4: Simplify right side
    534,828.90x = 333,617,790,781.94
  5. Step 5: Solve for x
    x = 333,617,790,781.94/534,828.90
  6. Step 6: Final answer
    x = 623,784.15

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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.