Home / 1,011,071.73-1,395,287.15-558,362.73

Finding the Fourth Proportional to 1,011,071.73, 1,395,287.15 and 558,362.73

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Solution

The fourth proportional to 1,011,071.73, 1,395,287.15 and 558,362.73 is: 770,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,071.73 : 1,395,287.15 = 558,362.73 : x
  2. Step 2: Convert to fraction form
    1,011,071.73/1,395,287.15 = 558,362.73/x
  3. Step 3: Cross multiply
    1,011,071.73x = 1,395,287.15 × 558,362.73
  4. Step 4: Simplify right side
    1,011,071.73x = 779,076,342,207.92
  5. Step 5: Solve for x
    x = 779,076,342,207.92/1,011,071.73
  6. Step 6: Final answer
    x = 770,545.08

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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.