Home / 749,383.27-1,034,123.31-427,197.17

Finding the Fourth Proportional to 749,383.27, 1,034,123.31 and 427,197.17

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Solution

The fourth proportional to 749,383.27, 1,034,123.31 and 427,197.17 is: 589,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,383.27 : 1,034,123.31 = 427,197.17 : x
  2. Step 2: Convert to fraction form
    749,383.27/1,034,123.31 = 427,197.17/x
  3. Step 3: Cross multiply
    749,383.27x = 1,034,123.31 × 427,197.17
  4. Step 4: Simplify right side
    749,383.27x = 441,774,554,048.34
  5. Step 5: Solve for x
    x = 441,774,554,048.34/749,383.27
  6. Step 6: Final answer
    x = 589,517.50

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.