Home / 890,388.38-1,228,271.14-546,301.06

Finding the Fourth Proportional to 890,388.38, 1,228,271.14 and 546,301.06

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Solution

The fourth proportional to 890,388.38, 1,228,271.14 and 546,301.06 is: 753,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,388.38 : 1,228,271.14 = 546,301.06 : x
  2. Step 2: Convert to fraction form
    890,388.38/1,228,271.14 = 546,301.06/x
  3. Step 3: Cross multiply
    890,388.38x = 1,228,271.14 × 546,301.06
  4. Step 4: Simplify right side
    890,388.38x = 671,005,825,749.41
  5. Step 5: Solve for x
    x = 671,005,825,749.41/890,388.38
  6. Step 6: Final answer
    x = 753,610.27

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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.