Home / 1,838,883.40-2,758,325.10-509,187.40

Finding the Fourth Proportional to 1,838,883.40, 2,758,325.10 and 509,187.40

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Solution

The fourth proportional to 1,838,883.40, 2,758,325.10 and 509,187.40 is: 763,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,883.40 : 2,758,325.10 = 509,187.40 : x
  2. Step 2: Convert to fraction form
    1,838,883.40/2,758,325.10 = 509,187.40/x
  3. Step 3: Cross multiply
    1,838,883.40x = 2,758,325.10 × 509,187.40
  4. Step 4: Simplify right side
    1,838,883.40x = 1,404,504,386,023.74
  5. Step 5: Solve for x
    x = 1,404,504,386,023.74/1,838,883.40
  6. Step 6: Final answer
    x = 763,781.10

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Double scale
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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.