Home / 749,531.14-1,034,325.57-427,178.97

Finding the Fourth Proportional to 749,531.14, 1,034,325.57 and 427,178.97

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Solution

The fourth proportional to 749,531.14, 1,034,325.57 and 427,178.97 is: 589,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,531.14 : 1,034,325.57 = 427,178.97 : x
  2. Step 2: Convert to fraction form
    749,531.14/1,034,325.57 = 427,178.97/x
  3. Step 3: Cross multiply
    749,531.14x = 1,034,325.57 × 427,178.97
  4. Step 4: Simplify right side
    749,531.14x = 441,842,129,501.37
  5. Step 5: Solve for x
    x = 441,842,129,501.37/749,531.14
  6. Step 6: Final answer
    x = 589,491.36

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.