Home / 1,009,114.61-1,392,703.47-579,385.51

Finding the Fourth Proportional to 1,009,114.61, 1,392,703.47 and 579,385.51

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Solution

The fourth proportional to 1,009,114.61, 1,392,703.47 and 579,385.51 is: 799,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,114.61 : 1,392,703.47 = 579,385.51 : x
  2. Step 2: Convert to fraction form
    1,009,114.61/1,392,703.47 = 579,385.51/x
  3. Step 3: Cross multiply
    1,009,114.61x = 1,392,703.47 × 579,385.51
  4. Step 4: Simplify right side
    1,009,114.61x = 806,912,206,762.96
  5. Step 5: Solve for x
    x = 806,912,206,762.96/1,009,114.61
  6. Step 6: Final answer
    x = 799,623.95

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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.