Home / 1,254,403.40-1,881,605.10-413,040.20

Finding the Fourth Proportional to 1,254,403.40, 1,881,605.10 and 413,040.20

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Solution

The fourth proportional to 1,254,403.40, 1,881,605.10 and 413,040.20 is: 619,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,403.40 : 1,881,605.10 = 413,040.20 : x
  2. Step 2: Convert to fraction form
    1,254,403.40/1,881,605.10 = 413,040.20/x
  3. Step 3: Cross multiply
    1,254,403.40x = 1,881,605.10 × 413,040.20
  4. Step 4: Simplify right side
    1,254,403.40x = 777,178,546,825.02
  5. Step 5: Solve for x
    x = 777,178,546,825.02/1,254,403.40
  6. Step 6: Final answer
    x = 619,560.30

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