Home / 1,572,042.63-2,356,381.94-813,119.92

Finding the Fourth Proportional to 1,572,042.63, 2,356,381.94 and 813,119.92

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Solution

The fourth proportional to 1,572,042.63, 2,356,381.94 and 813,119.92 is: 1,218,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,042.63 : 2,356,381.94 = 813,119.92 : x
  2. Step 2: Convert to fraction form
    1,572,042.63/2,356,381.94 = 813,119.92/x
  3. Step 3: Cross multiply
    1,572,042.63x = 2,356,381.94 × 813,119.92
  4. Step 4: Simplify right side
    1,572,042.63x = 1,916,021,084,585.69
  5. Step 5: Solve for x
    x = 1,916,021,084,585.69/1,572,042.63
  6. Step 6: Final answer
    x = 1,218,809.87

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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.