Home / 1,586,670.05-2,189,543.25-861,501.17

Finding the Fourth Proportional to 1,586,670.05, 2,189,543.25 and 861,501.17

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Solution

The fourth proportional to 1,586,670.05, 2,189,543.25 and 861,501.17 is: 1,188,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,670.05 : 2,189,543.25 = 861,501.17 : x
  2. Step 2: Convert to fraction form
    1,586,670.05/2,189,543.25 = 861,501.17/x
  3. Step 3: Cross multiply
    1,586,670.05x = 2,189,543.25 × 861,501.17
  4. Step 4: Simplify right side
    1,586,670.05x = 1,886,294,060,692.89
  5. Step 5: Solve for x
    x = 1,886,294,060,692.89/1,586,670.05
  6. Step 6: Final answer
    x = 1,188,838.26

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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.