Home / 534,869.40-802,109.70-268,541.40

Finding the Fourth Proportional to 534,869.40, 802,109.70 and 268,541.40

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Solution

The fourth proportional to 534,869.40, 802,109.70 and 268,541.40 is: 402,714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,869.40 : 802,109.70 = 268,541.40 : x
  2. Step 2: Convert to fraction form
    534,869.40/802,109.70 = 268,541.40/x
  3. Step 3: Cross multiply
    534,869.40x = 802,109.70 × 268,541.40
  4. Step 4: Simplify right side
    534,869.40x = 215,399,661,791.58
  5. Step 5: Solve for x
    x = 215,399,661,791.58/534,869.40
  6. Step 6: Final answer
    x = 402,714.50

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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.