Home / 986,798.40-1,361,792.93-578,907.18

Finding the Fourth Proportional to 986,798.40, 1,361,792.93 and 578,907.18

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Solution

The fourth proportional to 986,798.40, 1,361,792.93 and 578,907.18 is: 798,898.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,798.40 : 1,361,792.93 = 578,907.18 : x
  2. Step 2: Convert to fraction form
    986,798.40/1,361,792.93 = 578,907.18/x
  3. Step 3: Cross multiply
    986,798.40x = 1,361,792.93 × 578,907.18
  4. Step 4: Simplify right side
    986,798.40x = 788,351,704,850.24
  5. Step 5: Solve for x
    x = 788,351,704,850.24/986,798.40
  6. Step 6: Final answer
    x = 798,898.44

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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.