Home / 1,254,105.12-1,881,656.13-401,308.16

Finding the Fourth Proportional to 1,254,105.12, 1,881,656.13 and 401,308.16

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Solution

The fourth proportional to 1,254,105.12, 1,881,656.13 and 401,308.16 is: 602,121.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,105.12 : 1,881,656.13 = 401,308.16 : x
  2. Step 2: Convert to fraction form
    1,254,105.12/1,881,656.13 = 401,308.16/x
  3. Step 3: Cross multiply
    1,254,105.12x = 1,881,656.13 × 401,308.16
  4. Step 4: Simplify right side
    1,254,105.12x = 755,123,959,283.02
  5. Step 5: Solve for x
    x = 755,123,959,283.02/1,254,105.12
  6. Step 6: Final answer
    x = 602,121.74

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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.