Home / 1,029,859.84-1,421,251.56-570,945.19

Finding the Fourth Proportional to 1,029,859.84, 1,421,251.56 and 570,945.19

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Solution

The fourth proportional to 1,029,859.84, 1,421,251.56 and 570,945.19 is: 787,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,859.84 : 1,421,251.56 = 570,945.19 : x
  2. Step 2: Convert to fraction form
    1,029,859.84/1,421,251.56 = 570,945.19/x
  3. Step 3: Cross multiply
    1,029,859.84x = 1,421,251.56 × 570,945.19
  4. Step 4: Simplify right side
    1,029,859.84x = 811,456,741,962.00
  5. Step 5: Solve for x
    x = 811,456,741,962.00/1,029,859.84
  6. Step 6: Final answer
    x = 787,929.30

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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.