Home / 1,159,628.40-1,739,442.60-805,334.40

Finding the Fourth Proportional to 1,159,628.40, 1,739,442.60 and 805,334.40

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Solution

The fourth proportional to 1,159,628.40, 1,739,442.60 and 805,334.40 is: 1,208,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,628.40 : 1,739,442.60 = 805,334.40 : x
  2. Step 2: Convert to fraction form
    1,159,628.40/1,739,442.60 = 805,334.40/x
  3. Step 3: Cross multiply
    1,159,628.40x = 1,739,442.60 × 805,334.40
  4. Step 4: Simplify right side
    1,159,628.40x = 1,400,832,962,605.44
  5. Step 5: Solve for x
    x = 1,400,832,962,605.44/1,159,628.40
  6. Step 6: Final answer
    x = 1,208,001.60

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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.