Home / 1,059,459.36-1,590,187.76-386,191.41

Finding the Fourth Proportional to 1,059,459.36, 1,590,187.76 and 386,191.41

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Solution

The fourth proportional to 1,059,459.36, 1,590,187.76 and 386,191.41 is: 579,651.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,459.36 : 1,590,187.76 = 386,191.41 : x
  2. Step 2: Convert to fraction form
    1,059,459.36/1,590,187.76 = 386,191.41/x
  3. Step 3: Cross multiply
    1,059,459.36x = 1,590,187.76 × 386,191.41
  4. Step 4: Simplify right side
    1,059,459.36x = 614,116,853,199.14
  5. Step 5: Solve for x
    x = 614,116,853,199.14/1,059,459.36
  6. Step 6: Final answer
    x = 579,651.17

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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.