Home / 1,166,896.80-1,750,345.20-1,117,130.40

Finding the Fourth Proportional to 1,166,896.80, 1,750,345.20 and 1,117,130.40

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Solution

The fourth proportional to 1,166,896.80, 1,750,345.20 and 1,117,130.40 is: 1,675,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,896.80 : 1,750,345.20 = 1,117,130.40 : x
  2. Step 2: Convert to fraction form
    1,166,896.80/1,750,345.20 = 1,117,130.40/x
  3. Step 3: Cross multiply
    1,166,896.80x = 1,750,345.20 × 1,117,130.40
  4. Step 4: Simplify right side
    1,166,896.80x = 1,955,363,833,414.08
  5. Step 5: Solve for x
    x = 1,955,363,833,414.08/1,166,896.80
  6. Step 6: Final answer
    x = 1,675,695.60

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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.