Home / 1,192,180.80-1,788,271.20-878,030.40

Finding the Fourth Proportional to 1,192,180.80, 1,788,271.20 and 878,030.40

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Solution

The fourth proportional to 1,192,180.80, 1,788,271.20 and 878,030.40 is: 1,317,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,180.80 : 1,788,271.20 = 878,030.40 : x
  2. Step 2: Convert to fraction form
    1,192,180.80/1,788,271.20 = 878,030.40/x
  3. Step 3: Cross multiply
    1,192,180.80x = 1,788,271.20 × 878,030.40
  4. Step 4: Simplify right side
    1,192,180.80x = 1,570,156,477,044.48
  5. Step 5: Solve for x
    x = 1,570,156,477,044.48/1,192,180.80
  6. Step 6: Final answer
    x = 1,317,045.60

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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.