Home / 753,484.68-1,130,384.97-220,962.33

Finding the Fourth Proportional to 753,484.68, 1,130,384.97 and 220,962.33

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Solution

The fourth proportional to 753,484.68, 1,130,384.97 and 220,962.33 is: 331,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,484.68 : 1,130,384.97 = 220,962.33 : x
  2. Step 2: Convert to fraction form
    753,484.68/1,130,384.97 = 220,962.33/x
  3. Step 3: Cross multiply
    753,484.68x = 1,130,384.97 × 220,962.33
  4. Step 4: Simplify right side
    753,484.68x = 249,772,496,768.18
  5. Step 5: Solve for x
    x = 249,772,496,768.18/753,484.68
  6. Step 6: Final answer
    x = 331,489.81

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Double scale
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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.