Home / 749,100.05-1,033,504.85-426,581.45

Finding the Fourth Proportional to 749,100.05, 1,033,504.85 and 426,581.45

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Solution

The fourth proportional to 749,100.05, 1,033,504.85 and 426,581.45 is: 588,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,100.05 : 1,033,504.85 = 426,581.45 : x
  2. Step 2: Convert to fraction form
    749,100.05/1,033,504.85 = 426,581.45/x
  3. Step 3: Cross multiply
    749,100.05x = 1,033,504.85 × 426,581.45
  4. Step 4: Simplify right side
    749,100.05x = 440,873,997,495.03
  5. Step 5: Solve for x
    x = 440,873,997,495.03/749,100.05
  6. Step 6: Final answer
    x = 588,538.20

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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.