Home / 1,407,590.78-2,111,366.43-554,669.84

Finding the Fourth Proportional to 1,407,590.78, 2,111,366.43 and 554,669.84

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Solution

The fourth proportional to 1,407,590.78, 2,111,366.43 and 554,669.84 is: 831,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,590.78 : 2,111,366.43 = 554,669.84 : x
  2. Step 2: Convert to fraction form
    1,407,590.78/2,111,366.43 = 554,669.84/x
  3. Step 3: Cross multiply
    1,407,590.78x = 2,111,366.43 × 554,669.84
  4. Step 4: Simplify right side
    1,407,590.78x = 1,171,111,279,909.47
  5. Step 5: Solve for x
    x = 1,171,111,279,909.47/1,407,590.78
  6. Step 6: Final answer
    x = 831,996.98

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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.