Home / 1,033,378.90-1,550,111.55-553,405.30

Finding the Fourth Proportional to 1,033,378.90, 1,550,111.55 and 553,405.30

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Solution

The fourth proportional to 1,033,378.90, 1,550,111.55 and 553,405.30 is: 830,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033,378.90 : 1,550,111.55 = 553,405.30 : x
  2. Step 2: Convert to fraction form
    1,033,378.90/1,550,111.55 = 553,405.30/x
  3. Step 3: Cross multiply
    1,033,378.90x = 1,550,111.55 × 553,405.30
  4. Step 4: Simplify right side
    1,033,378.90x = 857,839,947,361.22
  5. Step 5: Solve for x
    x = 857,839,947,361.22/1,033,378.90
  6. Step 6: Final answer
    x = 830,131.08

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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.