Home / 1,087,548.80-1,631,323.20-1,068,886.40

Finding the Fourth Proportional to 1,087,548.80, 1,631,323.20 and 1,068,886.40

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Solution

The fourth proportional to 1,087,548.80, 1,631,323.20 and 1,068,886.40 is: 1,603,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,548.80 : 1,631,323.20 = 1,068,886.40 : x
  2. Step 2: Convert to fraction form
    1,087,548.80/1,631,323.20 = 1,068,886.40/x
  3. Step 3: Cross multiply
    1,087,548.80x = 1,631,323.20 × 1,068,886.40
  4. Step 4: Simplify right side
    1,087,548.80x = 1,743,699,182,484.48
  5. Step 5: Solve for x
    x = 1,743,699,182,484.48/1,087,548.80
  6. Step 6: Final answer
    x = 1,603,329.60

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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.