Home / 1,642,333.57-2,266,258.40-917,165.73

Finding the Fourth Proportional to 1,642,333.57, 2,266,258.40 and 917,165.73

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Solution

The fourth proportional to 1,642,333.57, 2,266,258.40 and 917,165.73 is: 1,265,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,333.57 : 2,266,258.40 = 917,165.73 : x
  2. Step 2: Convert to fraction form
    1,642,333.57/2,266,258.40 = 917,165.73/x
  3. Step 3: Cross multiply
    1,642,333.57x = 2,266,258.40 × 917,165.73
  4. Step 4: Simplify right side
    1,642,333.57x = 2,078,534,547,156.64
  5. Step 5: Solve for x
    x = 2,078,534,547,156.64/1,642,333.57
  6. Step 6: Final answer
    x = 1,265,598.28

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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.