Home / 1,018,985.82-1,406,170.08-583,388.75

Finding the Fourth Proportional to 1,018,985.82, 1,406,170.08 and 583,388.75

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Solution

The fourth proportional to 1,018,985.82, 1,406,170.08 and 583,388.75 is: 805,059.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,985.82 : 1,406,170.08 = 583,388.75 : x
  2. Step 2: Convert to fraction form
    1,018,985.82/1,406,170.08 = 583,388.75/x
  3. Step 3: Cross multiply
    1,018,985.82x = 1,406,170.08 × 583,388.75
  4. Step 4: Simplify right side
    1,018,985.82x = 820,343,798,227.75
  5. Step 5: Solve for x
    x = 820,343,798,227.75/1,018,985.82
  6. Step 6: Final answer
    x = 805,059.09

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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.