Home / 1,428,562.30-2,141,331.45-529,426.30

Finding the Fourth Proportional to 1,428,562.30, 2,141,331.45 and 529,426.30

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Solution

The fourth proportional to 1,428,562.30, 2,141,331.45 and 529,426.30 is: 793,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,562.30 : 2,141,331.45 = 529,426.30 : x
  2. Step 2: Convert to fraction form
    1,428,562.30/2,141,331.45 = 529,426.30/x
  3. Step 3: Cross multiply
    1,428,562.30x = 2,141,331.45 × 529,426.30
  4. Step 4: Simplify right side
    1,428,562.30x = 1,133,677,186,647.14
  5. Step 5: Solve for x
    x = 1,133,677,186,647.14/1,428,562.30
  6. Step 6: Final answer
    x = 793,579.10

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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.