Home / 1,019,114.40-1,406,456.28-611,231.88

Finding the Fourth Proportional to 1,019,114.40, 1,406,456.28 and 611,231.88

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Solution

The fourth proportional to 1,019,114.40, 1,406,456.28 and 611,231.88 is: 843,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,114.40 : 1,406,456.28 = 611,231.88 : x
  2. Step 2: Convert to fraction form
    1,019,114.40/1,406,456.28 = 611,231.88/x
  3. Step 3: Cross multiply
    1,019,114.40x = 1,406,456.28 × 611,231.88
  4. Step 4: Simplify right side
    1,019,114.40x = 859,670,916,162.21
  5. Step 5: Solve for x
    x = 859,670,916,162.21/1,019,114.40
  6. Step 6: Final answer
    x = 843,547.02

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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.