Home / 1,005,822.07-1,391,689.57-877,028.93

Finding the Fourth Proportional to 1,005,822.07, 1,391,689.57 and 877,028.93

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Solution

The fourth proportional to 1,005,822.07, 1,391,689.57 and 877,028.93 is: 1,213,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,822.07 : 1,391,689.57 = 877,028.93 : x
  2. Step 2: Convert to fraction form
    1,005,822.07/1,391,689.57 = 877,028.93/x
  3. Step 3: Cross multiply
    1,005,822.07x = 1,391,689.57 × 877,028.93
  4. Step 4: Simplify right side
    1,005,822.07x = 1,220,552,013,182.61
  5. Step 5: Solve for x
    x = 1,220,552,013,182.61/1,005,822.07
  6. Step 6: Final answer
    x = 1,213,487.01

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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.